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CLOSURE AND POST-CLOSURE LIABILITIES - Changes in Post-Closure Liabilities (Details)
$ in Thousands
3 Months Ended
Mar. 31, 2024
USD ($)
Changes to post-closure liabilities  
Beginning balance $ 118,600
New asset retirement obligations 556
Accretion 2,292
Changes in estimates recorded to consolidated statement of operations 58
Changes in estimates recorded to consolidated balance sheet 51
Expenditures (1,791)
Currency translation and other (194)
Ending balance 119,572
Landfill Retirement Liability  
Changes to post-closure liabilities  
Beginning balance 59,443
New asset retirement obligations 556
Accretion 1,221
Changes in estimates recorded to consolidated statement of operations 0
Changes in estimates recorded to consolidated balance sheet 0
Expenditures (608)
Currency translation and other (109)
Ending balance 60,503
Non-Landfill Retirement Liability  
Changes to post-closure liabilities  
Beginning balance 59,157
New asset retirement obligations 0
Accretion 1,071
Changes in estimates recorded to consolidated statement of operations 58
Changes in estimates recorded to consolidated balance sheet 51
Expenditures (1,183)
Currency translation and other (85)
Ending balance $ 59,069