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<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
63485
monetaryItemType
table: <entity> 63485 </entity> <entity type> monetaryItemType </entity type> <context> Share-based compensation | 77,885 | ​ ​ | 70,436 | ​ ​ | 63,485 </context>
us-gaap:ShareBasedCompensation
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
36001
monetaryItemType
table: <entity> 36001 </entity> <entity type> monetaryItemType </entity type> <context> Interest accretion | 36,001 | ​ ​ | 22,720 | ​ ​ | 17,668 </context>
us-gaap:AccretionExpenseIncludingAssetRetirementObligations
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
22720
monetaryItemType
table: <entity> 22720 </entity> <entity type> monetaryItemType </entity type> <context> Interest accretion | 36,001 | ​ ​ | 22,720 | ​ ​ | 17,668 </context>
us-gaap:AccretionExpenseIncludingAssetRetirementObligations
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
17668
monetaryItemType
table: <entity> 17668 </entity> <entity type> monetaryItemType </entity type> <context> Interest accretion | 36,001 | ​ ​ | 22,720 | ​ ​ | 17,668 </context>
us-gaap:AccretionExpenseIncludingAssetRetirementObligations
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
35035
monetaryItemType
table: <entity> 35035 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:PaymentForContingentConsiderationLiabilityOperatingActivities
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
2982
monetaryItemType
table: <entity> 2982 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:PaymentForContingentConsiderationLiabilityOperatingActivities
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
3
monetaryItemType
table: <entity> 3 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
30367
monetaryItemType
table: <entity> 30367 </entity> <entity type> monetaryItemType </entity type> <context> Adjustments to contingent consideration | ( 3 ) | ​ ​ | 30,367 | ​ ​ | ( 1,030 ) </context>
us-gaap:BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
1030
monetaryItemType
table: <entity> 1030 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
2656
monetaryItemType
table: <entity> 2656 </entity> <entity type> monetaryItemType </entity type> <context> Other | ​ ​ | 2,656 | ​ ​ | ​ ​ | ( 3,943 ) | ​ ​ | ​ ​ | ( 8,217 ) </context>
us-gaap:OtherNoncashIncomeExpense
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
3943
monetaryItemType
table: <entity> 3943 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:OtherNoncashIncomeExpense
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
8217
monetaryItemType
table: <entity> 8217 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:OtherNoncashIncomeExpense
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
10646
monetaryItemType
table: <entity> 10646 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:IncreaseDecreaseInAccountsReceivable
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
20630
monetaryItemType
table: <entity> 20630 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:IncreaseDecreaseInAccountsReceivable
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
100546
monetaryItemType
table: <entity> 100546 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:IncreaseDecreaseInAccountsReceivable
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
14360
monetaryItemType
table: <entity> 14360 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
10262
monetaryItemType
table: <entity> 10262 </entity> <entity type> monetaryItemType </entity type> <context> Prepaid expenses and other current assets | ( 14,360 ) | ​ ​ | 10,262 | ​ ​ | ( 752 ) </context>
us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
752
monetaryItemType
table: <entity> 752 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
33323
monetaryItemType
table: <entity> 33323 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:IncreaseDecreaseInAccountsPayable
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
32327
monetaryItemType
table: <entity> 32327 </entity> <entity type> monetaryItemType </entity type> <context> Accounts payable | ( 33,323 ) | ​ ​ | 32,327 | ​ ​ | 192,850 </context>
us-gaap:IncreaseDecreaseInAccountsPayable
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
192850
monetaryItemType
table: <entity> 192850 </entity> <entity type> monetaryItemType </entity type> <context> Accounts payable | ( 33,323 ) | ​ ​ | 32,327 | ​ ​ | 192,850 </context>
us-gaap:IncreaseDecreaseInAccountsPayable
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
18235
monetaryItemType
table: <entity> 18235 </entity> <entity type> monetaryItemType </entity type> <context> Deferred revenue | 18,235 | ​ ​ | 26,519 | ​ ​ | 42,252 </context>
us-gaap:IncreaseDecreaseInContractWithCustomerLiability
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
26519
monetaryItemType
table: <entity> 26519 </entity> <entity type> monetaryItemType </entity type> <context> Deferred revenue | 18,235 | ​ ​ | 26,519 | ​ ​ | 42,252 </context>
us-gaap:IncreaseDecreaseInContractWithCustomerLiability
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
42252
monetaryItemType
table: <entity> 42252 </entity> <entity type> monetaryItemType </entity type> <context> Deferred revenue | 18,235 | ​ ​ | 26,519 | ​ ​ | 42,252 </context>
us-gaap:IncreaseDecreaseInContractWithCustomerLiability
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
90035
monetaryItemType
table: <entity> 90035 </entity> <entity type> monetaryItemType </entity type> <context> Accrued liabilities | 90,035 | ​ ​ | 21,753 | ​ ​ | ( 28,082 ) </context>
us-gaap:IncreaseDecreaseInAccruedLiabilities
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
21753
monetaryItemType
table: <entity> 21753 </entity> <entity type> monetaryItemType </entity type> <context> Accrued liabilities | 90,035 | ​ ​ | 21,753 | ​ ​ | ( 28,082 ) </context>
us-gaap:IncreaseDecreaseInAccruedLiabilities
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
28082
monetaryItemType
table: <entity> 28082 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:IncreaseDecreaseInAccruedLiabilities
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
247936
monetaryItemType
table: <entity> 247936 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:IncreaseDecreaseInAssetRetirementObligations
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
39427
monetaryItemType
table: <entity> 39427 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:IncreaseDecreaseInAssetRetirementObligations
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
18881
monetaryItemType
table: <entity> 18881 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:IncreaseDecreaseInAssetRetirementObligations
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
11313
monetaryItemType
table: <entity> 11313 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:IncreaseDecreaseInOtherOperatingLiabilities
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
18270
monetaryItemType
table: <entity> 18270 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:IncreaseDecreaseInOtherOperatingLiabilities
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
14041
monetaryItemType
table: <entity> 14041 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:IncreaseDecreaseInOtherOperatingLiabilities
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
2228927
monetaryItemType
table: <entity> 2228927 </entity> <entity type> monetaryItemType </entity type> <context> Net cash provided by operating activities | 2,228,927 | ​ ​ | 2,126,817 | ​ ​ | 2,022,492 </context>
us-gaap:NetCashProvidedByUsedInOperatingActivities
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
2126817
monetaryItemType
table: <entity> 2126817 </entity> <entity type> monetaryItemType </entity type> <context> Net cash provided by operating activities | 2,228,927 | ​ ​ | 2,126,817 | ​ ​ | 2,022,492 </context>
us-gaap:NetCashProvidedByUsedInOperatingActivities
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
2022492
monetaryItemType
table: <entity> 2022492 </entity> <entity type> monetaryItemType </entity type> <context> Net cash provided by operating activities | 2,228,927 | ​ ​ | 2,126,817 | ​ ​ | 2,022,492 </context>
us-gaap:NetCashProvidedByUsedInOperatingActivities
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
2120878
monetaryItemType
table: <entity> 2120878 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
676793
monetaryItemType
table: <entity> 676793 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
2206901
monetaryItemType
table: <entity> 2206901 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
1055988
monetaryItemType
table: <entity> 1055988 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
934000
monetaryItemType
table: <entity> 934000 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
912677
monetaryItemType
table: <entity> 912677 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
7903
monetaryItemType
table: <entity> 7903 </entity> <entity type> monetaryItemType </entity type> <context> Proceeds from disposal of assets | 7,903 | ​ ​ | 31,581 | ​ ​ | 30,676 </context>
us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
31581
monetaryItemType
table: <entity> 31581 </entity> <entity type> monetaryItemType </entity type> <context> Proceeds from disposal of assets | 7,903 | ​ ​ | 31,581 | ​ ​ | 30,676 </context>
us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
30676
monetaryItemType
table: <entity> 30676 </entity> <entity type> monetaryItemType </entity type> <context> Proceeds from disposal of assets | 7,903 | ​ ​ | 31,581 | ​ ​ | 30,676 </context>
us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
27213
monetaryItemType
table: <entity> 27213 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:PaymentsForProceedsFromOtherInvestingActivities
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
1867
monetaryItemType
table: <entity> 1867 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:PaymentsForProceedsFromOtherInvestingActivities
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
1731
monetaryItemType
table: <entity> 1731 </entity> <entity type> monetaryItemType </entity type> <context> Other | ( 27,213 ) | ​ ​ | ( 1,867 ) | ​ ​ | 1,731 </context>
us-gaap:PaymentsForProceedsFromOtherInvestingActivities
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
3159176
monetaryItemType
table: <entity> 3159176 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:NetCashProvidedByUsedInInvestingActivities
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
1581079
monetaryItemType
table: <entity> 1581079 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:NetCashProvidedByUsedInInvestingActivities
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
3087171
monetaryItemType
table: <entity> 3087171 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:NetCashProvidedByUsedInInvestingActivities
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
4564469
monetaryItemType
table: <entity> 4564469 </entity> <entity type> monetaryItemType </entity type> <context> Proceeds from long-term debt | 4,564,469 | ​ ​ | 1,818,765 | ​ ​ | 4,816,146 </context>
us-gaap:ProceedsFromIssuanceOfLongTermDebt
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
1818765
monetaryItemType
table: <entity> 1818765 </entity> <entity type> monetaryItemType </entity type> <context> Proceeds from long-term debt | 4,564,469 | ​ ​ | 1,818,765 | ​ ​ | 4,816,146 </context>
us-gaap:ProceedsFromIssuanceOfLongTermDebt
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
4816146
monetaryItemType
table: <entity> 4816146 </entity> <entity type> monetaryItemType </entity type> <context> Proceeds from long-term debt | 4,564,469 | ​ ​ | 1,818,765 | ​ ​ | 4,816,146 </context>
us-gaap:ProceedsFromIssuanceOfLongTermDebt
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
3245419
monetaryItemType
table: <entity> 3245419 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:RepaymentsOfLongTermDebt
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
2052153
monetaryItemType
table: <entity> 2052153 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:RepaymentsOfLongTermDebt
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
3073985
monetaryItemType
table: <entity> 3073985 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:RepaymentsOfLongTermDebt
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
27743
monetaryItemType
table: <entity> 27743 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:PaymentForContingentConsiderationLiabilityFinancingActivities
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
13317
monetaryItemType
table: <entity> 13317 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:PaymentForContingentConsiderationLiabilityFinancingActivities
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
16911
monetaryItemType
table: <entity> 16911 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:PaymentForContingentConsiderationLiabilityFinancingActivities
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
227
monetaryItemType
table: <entity> 227 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:ProceedsFromRepaymentsOfBankOverdrafts
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
790
monetaryItemType
table: <entity> 790 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:ProceedsFromRepaymentsOfBankOverdrafts
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
1076
monetaryItemType
table: <entity> 1076 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:ProceedsFromRepaymentsOfBankOverdrafts
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
β€”
monetaryItemType
table: <entity> β€” </entity> <entity type> monetaryItemType </entity type> <context> Adjustment to closure and post-closure liabilities | ​ ​ | 480,786 | ​ ​ | ​ ​ | 159,547 | ​ ​ | ​ ​ | β€” </context>
us-gaap:PaymentsForRepurchaseOfCommonStock
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
424999
monetaryItemType
table: <entity> 424999 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:PaymentsForRepurchaseOfCommonStock
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
302258
monetaryItemType
table: <entity> 302258 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:PaymentsOfDividendsCommonStock
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
270604
monetaryItemType
table: <entity> 270604 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:PaymentsOfDividendsCommonStock
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
243013
monetaryItemType
table: <entity> 243013 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:PaymentsOfDividendsCommonStock
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
32928
monetaryItemType
table: <entity> 32928 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
31009
monetaryItemType
table: <entity> 31009 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
18358
monetaryItemType
table: <entity> 18358 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
13449
monetaryItemType
table: <entity> 13449 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:PaymentsOfDebtIssuanceCosts
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
13271
monetaryItemType
table: <entity> 13271 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:PaymentsOfDebtIssuanceCosts
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
4486
monetaryItemType
table: <entity> 4486 </entity> <entity type> monetaryItemType </entity type> <context> Proceeds from issuance of shares under employee share purchase plan | ​ ​ | 4,486 | ​ ​ | ​ ​ | 3,909 | ​ ​ | ​ ​ | 3,270 </context>
us-gaap:ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
3909
monetaryItemType
table: <entity> 3909 </entity> <entity type> monetaryItemType </entity type> <context> Proceeds from issuance of shares under employee share purchase plan | ​ ​ | 4,486 | ​ ​ | ​ ​ | 3,909 | ​ ​ | ​ ​ | 3,270 </context>
us-gaap:ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
3270
monetaryItemType
table: <entity> 3270 </entity> <entity type> monetaryItemType </entity type> <context> Proceeds from issuance of shares under employee share purchase plan | ​ ​ | 4,486 | ​ ​ | ​ ​ | 3,909 | ​ ​ | ​ ​ | 3,270 </context>
us-gaap:ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
2014
monetaryItemType
table: <entity> 2014 </entity> <entity type> monetaryItemType </entity type> <context> Proceeds from sale of common shares held in trust | 2,014 | ​ ​ | 794 | ​ ​ | 660 </context>
us-gaap:ProceedsFromIssuanceOfCommonStock
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
794
monetaryItemType
table: <entity> 794 </entity> <entity type> monetaryItemType </entity type> <context> Proceeds from sale of common shares held in trust | 2,014 | ​ ​ | 794 | ​ ​ | 660 </context>
us-gaap:ProceedsFromIssuanceOfCommonStock
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
660
monetaryItemType
table: <entity> 660 </entity> <entity type> monetaryItemType </entity type> <context> Proceeds from sale of common shares held in trust | 2,014 | ​ ​ | 794 | ​ ​ | 660 </context>
us-gaap:ProceedsFromIssuanceOfCommonStock
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
4000
monetaryItemType
table: <entity> 4000 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:ProceedsFromPaymentsForOtherFinancingActivities
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
944945
monetaryItemType
table: <entity> 944945 </entity> <entity type> monetaryItemType </entity type> <context> Net cash provided by (used in) financing activities | 944,945 | ​ ​ | ( 544,405 ) | ​ ​ | 1,028,463 </context>
us-gaap:NetCashProvidedByUsedInFinancingActivities
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
544405
monetaryItemType
table: <entity> 544405 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:NetCashProvidedByUsedInFinancingActivities
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
1028463
monetaryItemType
table: <entity> 1028463 </entity> <entity type> monetaryItemType </entity type> <context> Net cash provided by (used in) financing activities | 944,945 | ​ ​ | ( 544,405 ) | ​ ​ | 1,028,463 </context>
us-gaap:NetCashProvidedByUsedInFinancingActivities
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
561
monetaryItemType
table: <entity> 561 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
1341
monetaryItemType
table: <entity> 1341 </entity> <entity type> monetaryItemType </entity type> <context> Effect of exchange rate changes on cash, cash equivalents and restricted cash | ( 561 ) | ​ ​ | 1,341 | ​ ​ | ( 2,035 ) </context>
us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
2035
monetaryItemType
table: <entity> 2035 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
14135
monetaryItemType
table: <entity> 14135 </entity> <entity type> monetaryItemType </entity type> <context> Net increase in cash, cash equivalents and restricted cash | 14,135 | ​ ​ | 2,674 | ​ ​ | ( 38,251 ) </context>
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
2674
monetaryItemType
table: <entity> 2674 </entity> <entity type> monetaryItemType </entity type> <context> Net increase in cash, cash equivalents and restricted cash | 14,135 | ​ ​ | 2,674 | ​ ​ | ( 38,251 ) </context>
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
38251
monetaryItemType
table: <entity> 38251 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
184038
monetaryItemType
table: <entity> 184038 </entity> <entity type> monetaryItemType </entity type> <context> Cash, cash equivalents and restricted cash at beginning of year | 184,038 | ​ ​ | 181,364 | ​ ​ | 219,615 </context>
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
181364
monetaryItemType
table: <entity> 181364 </entity> <entity type> monetaryItemType </entity type> <context> Cash, cash equivalents and restricted cash at beginning of year | 184,038 | ​ ​ | 181,364 | ​ ​ | 219,615 </context>
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
219615
monetaryItemType
table: <entity> 219615 </entity> <entity type> monetaryItemType </entity type> <context> Cash, cash equivalents and restricted cash at beginning of year | 184,038 | ​ ​ | 181,364 | ​ ​ | 219,615 </context>
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>CASH FLOWS FROM OPERATING ACTIVITIES:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td></tr><tr><td>Net income</td><td>$</td><td>616,570</td><td>​ ​</td><td>$</td><td>762,826</td><td>​ ​</td><td>$</td><td>836,001</td></tr><tr><td>Adjustments to reconcile net income to net cash provided by operating activities:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Loss from disposal of assets, impairments and other</td><td></td><td>122,641</td><td>​ ​</td><td></td><td>38,877</td><td>​ ​</td><td></td><td>9,519</td></tr><tr><td>Adjustment to closure and post-closure liabilities</td><td>​ ​</td><td>480,786</td><td>​ ​</td><td>​ ​</td><td>159,547</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Depreciation</td><td></td><td>974,001</td><td>​ ​</td><td></td><td>845,638</td><td>​ ​</td><td></td><td>763,285</td></tr><tr><td>Amortization of intangibles</td><td></td><td>189,768</td><td>​ ​</td><td></td><td>157,573</td><td>​ ​</td><td></td><td>155,675</td></tr><tr><td>Deferred income taxes, net of acquisitions</td><td></td><td>( 57,285 )</td><td>​ ​</td><td></td><td>6,329</td><td>​ ​</td><td></td><td>93,481</td></tr><tr><td>Current period provision for expected credit losses</td><td>​ ​</td><td>20,243</td><td>​ ​</td><td>​ ​</td><td>17,430</td><td>​ ​</td><td>​ ​</td><td>17,353</td></tr><tr><td>Amortization of debt issuance costs</td><td></td><td>10,007</td><td>​ ​</td><td></td><td>6,483</td><td>​ ​</td><td></td><td>5,454</td></tr><tr><td>Share-based compensation</td><td></td><td>77,885</td><td>​ ​</td><td></td><td>70,436</td><td>​ ​</td><td></td><td>63,485</td></tr><tr><td>Interest accretion</td><td></td><td>36,001</td><td>​ ​</td><td></td><td>22,720</td><td>​ ​</td><td></td><td>17,668</td></tr><tr><td>Payment of contingent consideration recorded in earnings</td><td></td><td>( 35,035 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 2,982 )</td></tr><tr><td>Adjustments to contingent consideration</td><td></td><td>( 3 )</td><td>​ ​</td><td></td><td>30,367</td><td>​ ​</td><td></td><td>( 1,030 )</td></tr><tr><td>Other</td><td>​ ​</td><td>2,656</td><td>​ ​</td><td>​ ​</td><td>( 3,943 )</td><td>​ ​</td><td>​ ​</td><td>( 8,217 )</td></tr><tr><td>Changes in operating assets and liabilities, net of effects from acquisitions:</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Accounts receivable, net</td><td></td><td>( 10,646 )</td><td>​ ​</td><td></td><td>( 20,630 )</td><td>​ ​</td><td></td><td>( 100,546 )</td></tr><tr><td>Prepaid expenses and other current assets</td><td></td><td>( 14,360 )</td><td>​ ​</td><td></td><td>10,262</td><td>​ ​</td><td></td><td>( 752 )</td></tr><tr><td>Accounts payable</td><td></td><td>( 33,323 )</td><td>​ ​</td><td></td><td>32,327</td><td>​ ​</td><td></td><td>192,850</td></tr><tr><td>Deferred revenue</td><td></td><td>18,235</td><td>​ ​</td><td></td><td>26,519</td><td>​ ​</td><td></td><td>42,252</td></tr><tr><td>Accrued liabilities</td><td></td><td>90,035</td><td>​ ​</td><td></td><td>21,753</td><td>​ ​</td><td></td><td>( 28,082 )</td></tr><tr><td>Capping, closure and post-closure expenditures</td><td></td><td>( 247,936 )</td><td>​ ​</td><td></td><td>( 39,427 )</td><td>​ ​</td><td></td><td>( 18,881 )</td></tr><tr><td>Other long-term liabilities</td><td></td><td>( 11,313 )</td><td>​ ​</td><td></td><td>( 18,270 )</td><td>​ ​</td><td></td><td>( 14,041 )</td></tr><tr><td>Net cash provided by operating activities</td><td></td><td>2,228,927</td><td>​ ​</td><td></td><td>2,126,817</td><td>​ ​</td><td></td><td>2,022,492</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM INVESTING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Payments for acquisitions, net of cash acquired</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Capital expenditures for property and equipment</td><td></td><td>( 1,055,988 )</td><td>​ ​</td><td></td><td>( 934,000 )</td><td>​ ​</td><td></td><td>( 912,677 )</td></tr><tr><td>Proceeds from disposal of assets</td><td></td><td>7,903</td><td>​ ​</td><td></td><td>31,581</td><td>​ ​</td><td></td><td>30,676</td></tr><tr><td>Proceeds from sale of investment in noncontrolling interests</td><td>​ ​</td><td>37,000</td><td>​ ​</td><td>​ ​</td><td>β€”</td><td>​ ​</td><td>​ ​</td><td>β€”</td></tr><tr><td>Other</td><td></td><td>( 27,213 )</td><td>​ ​</td><td></td><td>( 1,867 )</td><td>​ ​</td><td></td><td>1,731</td></tr><tr><td>Net cash used in investing activities</td><td></td><td>( 3,159,176 )</td><td>​ ​</td><td></td><td>( 1,581,079 )</td><td>​ ​</td><td></td><td>( 3,087,171 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>CASH FLOWS FROM FINANCING ACTIVITIES:</td><td></td><td></td><td>​ ​</td><td></td><td></td><td>​ ​</td><td></td><td></td></tr><tr><td>Proceeds from long-term debt</td><td></td><td>4,564,469</td><td>​ ​</td><td></td><td>1,818,765</td><td>​ ​</td><td></td><td>4,816,146</td></tr><tr><td>Principal payments on notes payable and long-term debt</td><td></td><td>( 3,245,419 )</td><td>​ ​</td><td></td><td>( 2,052,153 )</td><td>​ ​</td><td></td><td>( 3,073,985 )</td></tr><tr><td>Payment of contingent consideration recorded at acquisition date</td><td></td><td>( 27,743 )</td><td>​ ​</td><td></td><td>( 13,317 )</td><td>​ ​</td><td></td><td>( 16,911 )</td></tr><tr><td>Change in book overdraft</td><td></td><td>( 227 )</td><td>​ ​</td><td></td><td>( 790 )</td><td>​ ​</td><td></td><td>( 1,076 )</td></tr><tr><td>Payments for repurchase of common shares</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 424,999 )</td></tr><tr><td>Payments for cash dividends</td><td></td><td>( 302,258 )</td><td>​ ​</td><td></td><td>( 270,604 )</td><td>​ ​</td><td></td><td>( 243,013 )</td></tr><tr><td>Tax withholdings related to net share settlements of equity-based compensation</td><td></td><td>( 32,928 )</td><td>​ ​</td><td></td><td>( 31,009 )</td><td>​ ​</td><td></td><td>( 18,358 )</td></tr><tr><td>Debt issuance costs</td><td></td><td>( 13,449 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>( 13,271 )</td></tr><tr><td>Proceeds from issuance of shares under employee share purchase plan</td><td>​ ​</td><td>4,486</td><td>​ ​</td><td>​ ​</td><td>3,909</td><td>​ ​</td><td>​ ​</td><td>3,270</td></tr><tr><td>Proceeds from sale of common shares held in trust</td><td></td><td>2,014</td><td>​ ​</td><td></td><td>794</td><td>​ ​</td><td></td><td>660</td></tr><tr><td>Other</td><td></td><td>( 4,000 )</td><td>​ ​</td><td></td><td>β€”</td><td>​ ​</td><td></td><td>β€”</td></tr><tr><td>Net cash provided by (used in) financing activities</td><td></td><td>944,945</td><td>​ ​</td><td></td><td>( 544,405 )</td><td>​ ​</td><td></td><td>1,028,463</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Effect of exchange rate changes on cash, cash equivalents and restricted cash</td><td></td><td>( 561 )</td><td>​ ​</td><td></td><td>1,341</td><td>​ ​</td><td></td><td>( 2,035 )</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>Net increase in cash, cash equivalents and restricted cash</td><td></td><td>14,135</td><td>​ ​</td><td></td><td>2,674</td><td>​ ​</td><td></td><td>( 38,251 )</td></tr><tr><td>Cash, cash equivalents and restricted cash at beginning of year</td><td></td><td>184,038</td><td>​ ​</td><td></td><td>181,364</td><td>​ ​</td><td></td><td>219,615</td></tr><tr><td>Cash, cash equivalents and restricted cash at end of year</td><td>$</td><td>198,173</td><td>​ ​</td><td>$</td><td>184,038</td><td>​ ​</td><td>$</td><td>181,364</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
198173
monetaryItemType
table: <entity> 198173 </entity> <entity type> monetaryItemType </entity type> <context> Cash, cash equivalents and restricted cash at end of year | $ | 198,173 | ​ ​ | $ | 184,038 | ​ ​ | $ | 181,364 </context>
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>Cash paid for income taxes</td><td>​ ​</td><td>$</td><td>215,997</td><td>​ ​</td><td>$</td><td>207,020</td><td>​ ​</td><td>$</td><td>100,156</td></tr><tr><td>Cash paid for interest</td><td>​ ​</td><td>$</td><td>298,934</td><td>​ ​</td><td>$</td><td>260,923</td><td>​ ​</td><td>$</td><td>177,424</td></tr><tr><td>Changes in accrued capital expenditures for property and equipment</td><td>​ ​</td><td>$</td><td>21,108</td><td>​ ​</td><td>$</td><td>( 41,505 )</td><td>​ ​</td><td>$</td><td>36,671</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>In connection with its acquisitions, the Company assumed liabilities as follows:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Fair value of assets acquired</td><td>​ ​</td><td>$</td><td>2,352,337</td><td>​ ​</td><td>$</td><td>813,136</td><td>​ ​</td><td>$</td><td>2,471,202</td></tr><tr><td>Cash paid for current year acquisitions</td><td>​ ​</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Liabilities assumed and notes payable issued to sellers of businesses acquired</td><td>​ ​</td><td>$</td><td>231,459</td><td>​ ​</td><td>$</td><td>136,343</td><td>​ ​</td><td>$</td><td>264,301</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
215997
monetaryItemType
table: <entity> 215997 </entity> <entity type> monetaryItemType </entity type> <context> Cash paid for income taxes | ​ ​ | $ | 215,997 | ​ ​ | $ | 207,020 | ​ ​ | $ | 100,156 </context>
us-gaap:IncomeTaxesPaid
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>Cash paid for income taxes</td><td>​ ​</td><td>$</td><td>215,997</td><td>​ ​</td><td>$</td><td>207,020</td><td>​ ​</td><td>$</td><td>100,156</td></tr><tr><td>Cash paid for interest</td><td>​ ​</td><td>$</td><td>298,934</td><td>​ ​</td><td>$</td><td>260,923</td><td>​ ​</td><td>$</td><td>177,424</td></tr><tr><td>Changes in accrued capital expenditures for property and equipment</td><td>​ ​</td><td>$</td><td>21,108</td><td>​ ​</td><td>$</td><td>( 41,505 )</td><td>​ ​</td><td>$</td><td>36,671</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>In connection with its acquisitions, the Company assumed liabilities as follows:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Fair value of assets acquired</td><td>​ ​</td><td>$</td><td>2,352,337</td><td>​ ​</td><td>$</td><td>813,136</td><td>​ ​</td><td>$</td><td>2,471,202</td></tr><tr><td>Cash paid for current year acquisitions</td><td>​ ​</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Liabilities assumed and notes payable issued to sellers of businesses acquired</td><td>​ ​</td><td>$</td><td>231,459</td><td>​ ​</td><td>$</td><td>136,343</td><td>​ ​</td><td>$</td><td>264,301</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
207020
monetaryItemType
table: <entity> 207020 </entity> <entity type> monetaryItemType </entity type> <context> Cash paid for income taxes | ​ ​ | $ | 215,997 | ​ ​ | $ | 207,020 | ​ ​ | $ | 100,156 </context>
us-gaap:IncomeTaxesPaid
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>Cash paid for income taxes</td><td>​ ​</td><td>$</td><td>215,997</td><td>​ ​</td><td>$</td><td>207,020</td><td>​ ​</td><td>$</td><td>100,156</td></tr><tr><td>Cash paid for interest</td><td>​ ​</td><td>$</td><td>298,934</td><td>​ ​</td><td>$</td><td>260,923</td><td>​ ​</td><td>$</td><td>177,424</td></tr><tr><td>Changes in accrued capital expenditures for property and equipment</td><td>​ ​</td><td>$</td><td>21,108</td><td>​ ​</td><td>$</td><td>( 41,505 )</td><td>​ ​</td><td>$</td><td>36,671</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>In connection with its acquisitions, the Company assumed liabilities as follows:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Fair value of assets acquired</td><td>​ ​</td><td>$</td><td>2,352,337</td><td>​ ​</td><td>$</td><td>813,136</td><td>​ ​</td><td>$</td><td>2,471,202</td></tr><tr><td>Cash paid for current year acquisitions</td><td>​ ​</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Liabilities assumed and notes payable issued to sellers of businesses acquired</td><td>​ ​</td><td>$</td><td>231,459</td><td>​ ​</td><td>$</td><td>136,343</td><td>​ ​</td><td>$</td><td>264,301</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
100156
monetaryItemType
table: <entity> 100156 </entity> <entity type> monetaryItemType </entity type> <context> Cash paid for income taxes | ​ ​ | $ | 215,997 | ​ ​ | $ | 207,020 | ​ ​ | $ | 100,156 </context>
us-gaap:IncomeTaxesPaid
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>Cash paid for income taxes</td><td>​ ​</td><td>$</td><td>215,997</td><td>​ ​</td><td>$</td><td>207,020</td><td>​ ​</td><td>$</td><td>100,156</td></tr><tr><td>Cash paid for interest</td><td>​ ​</td><td>$</td><td>298,934</td><td>​ ​</td><td>$</td><td>260,923</td><td>​ ​</td><td>$</td><td>177,424</td></tr><tr><td>Changes in accrued capital expenditures for property and equipment</td><td>​ ​</td><td>$</td><td>21,108</td><td>​ ​</td><td>$</td><td>( 41,505 )</td><td>​ ​</td><td>$</td><td>36,671</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>In connection with its acquisitions, the Company assumed liabilities as follows:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Fair value of assets acquired</td><td>​ ​</td><td>$</td><td>2,352,337</td><td>​ ​</td><td>$</td><td>813,136</td><td>​ ​</td><td>$</td><td>2,471,202</td></tr><tr><td>Cash paid for current year acquisitions</td><td>​ ​</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Liabilities assumed and notes payable issued to sellers of businesses acquired</td><td>​ ​</td><td>$</td><td>231,459</td><td>​ ​</td><td>$</td><td>136,343</td><td>​ ​</td><td>$</td><td>264,301</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
298934
monetaryItemType
table: <entity> 298934 </entity> <entity type> monetaryItemType </entity type> <context> Cash paid for interest | ​ ​ | $ | 298,934 | ​ ​ | $ | 260,923 | ​ ​ | $ | 177,424 </context>
us-gaap:InterestPaidNet
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>Cash paid for income taxes</td><td>​ ​</td><td>$</td><td>215,997</td><td>​ ​</td><td>$</td><td>207,020</td><td>​ ​</td><td>$</td><td>100,156</td></tr><tr><td>Cash paid for interest</td><td>​ ​</td><td>$</td><td>298,934</td><td>​ ​</td><td>$</td><td>260,923</td><td>​ ​</td><td>$</td><td>177,424</td></tr><tr><td>Changes in accrued capital expenditures for property and equipment</td><td>​ ​</td><td>$</td><td>21,108</td><td>​ ​</td><td>$</td><td>( 41,505 )</td><td>​ ​</td><td>$</td><td>36,671</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>In connection with its acquisitions, the Company assumed liabilities as follows:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Fair value of assets acquired</td><td>​ ​</td><td>$</td><td>2,352,337</td><td>​ ​</td><td>$</td><td>813,136</td><td>​ ​</td><td>$</td><td>2,471,202</td></tr><tr><td>Cash paid for current year acquisitions</td><td>​ ​</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Liabilities assumed and notes payable issued to sellers of businesses acquired</td><td>​ ​</td><td>$</td><td>231,459</td><td>​ ​</td><td>$</td><td>136,343</td><td>​ ​</td><td>$</td><td>264,301</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
260923
monetaryItemType
table: <entity> 260923 </entity> <entity type> monetaryItemType </entity type> <context> Cash paid for interest | ​ ​ | $ | 298,934 | ​ ​ | $ | 260,923 | ​ ​ | $ | 177,424 </context>
us-gaap:InterestPaidNet
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>Cash paid for income taxes</td><td>​ ​</td><td>$</td><td>215,997</td><td>​ ​</td><td>$</td><td>207,020</td><td>​ ​</td><td>$</td><td>100,156</td></tr><tr><td>Cash paid for interest</td><td>​ ​</td><td>$</td><td>298,934</td><td>​ ​</td><td>$</td><td>260,923</td><td>​ ​</td><td>$</td><td>177,424</td></tr><tr><td>Changes in accrued capital expenditures for property and equipment</td><td>​ ​</td><td>$</td><td>21,108</td><td>​ ​</td><td>$</td><td>( 41,505 )</td><td>​ ​</td><td>$</td><td>36,671</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>In connection with its acquisitions, the Company assumed liabilities as follows:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Fair value of assets acquired</td><td>​ ​</td><td>$</td><td>2,352,337</td><td>​ ​</td><td>$</td><td>813,136</td><td>​ ​</td><td>$</td><td>2,471,202</td></tr><tr><td>Cash paid for current year acquisitions</td><td>​ ​</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Liabilities assumed and notes payable issued to sellers of businesses acquired</td><td>​ ​</td><td>$</td><td>231,459</td><td>​ ​</td><td>$</td><td>136,343</td><td>​ ​</td><td>$</td><td>264,301</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
177424
monetaryItemType
table: <entity> 177424 </entity> <entity type> monetaryItemType </entity type> <context> Cash paid for interest | ​ ​ | $ | 298,934 | ​ ​ | $ | 260,923 | ​ ​ | $ | 177,424 </context>
us-gaap:InterestPaidNet
<table><tr><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td><td>​ ​ ​ ​</td></tr><tr><td>​ ​</td><td>​ ​</td><td>Years Ended DecemberΒ 31,</td></tr><tr><td>​ ​</td><td></td><td>2024</td><td></td><td>2023</td><td></td><td>2022</td></tr><tr><td>Cash paid for income taxes</td><td>​ ​</td><td>$</td><td>215,997</td><td>​ ​</td><td>$</td><td>207,020</td><td>​ ​</td><td>$</td><td>100,156</td></tr><tr><td>Cash paid for interest</td><td>​ ​</td><td>$</td><td>298,934</td><td>​ ​</td><td>$</td><td>260,923</td><td>​ ​</td><td>$</td><td>177,424</td></tr><tr><td>Changes in accrued capital expenditures for property and equipment</td><td>​ ​</td><td>$</td><td>21,108</td><td>​ ​</td><td>$</td><td>( 41,505 )</td><td>​ ​</td><td>$</td><td>36,671</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr><tr><td>In connection with its acquisitions, the Company assumed liabilities as follows:</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td><td>​ ​</td><td></td><td>​ ​</td></tr><tr><td>Fair value of assets acquired</td><td>​ ​</td><td>$</td><td>2,352,337</td><td>​ ​</td><td>$</td><td>813,136</td><td>​ ​</td><td>$</td><td>2,471,202</td></tr><tr><td>Cash paid for current year acquisitions</td><td>​ ​</td><td></td><td>( 2,120,878 )</td><td>​ ​</td><td></td><td>( 676,793 )</td><td>​ ​</td><td></td><td>( 2,206,901 )</td></tr><tr><td>Liabilities assumed and notes payable issued to sellers of businesses acquired</td><td>​ ​</td><td>$</td><td>231,459</td><td>​ ​</td><td>$</td><td>136,343</td><td>​ ​</td><td>$</td><td>264,301</td></tr><tr><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td><td>​ ​</td></tr></table>
table
2120878
monetaryItemType
table: <entity> 2120878 </entity> <entity type> monetaryItemType </entity type> <context> None </context>
us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired