XML 30 R18.htm IDEA: XBRL DOCUMENT v3.24.3
CLOSURE AND POST-CLOSURE LIABILITIES
 9 Months Ended
Sep. 30, 2024
Asset Retirement Obligation Disclosure [Abstract]  
CLOSURE AND POST-CLOSURE LIABILITIES CLOSURE AND POST-CLOSURE LIABILITIES
The changes to closure and post-closure liabilities (also referred to as “asset retirement obligations”) from January 1, 2024 through September 30, 2024 were as follows (in thousands):
Landfill
Retirement
Liability		Non-Landfill
Retirement
Liability		Total
Balance at January 1, 2024$59,443 $59,157 $118,600 
Liabilities assumed in acquisitions— 1,845 1,845 
New asset retirement obligations4,093 — 4,093 
Accretion3,915 3,305 7,220 
Changes in estimates recorded to consolidated statement of operations(134)(120)(254)
Changes in estimates recorded to consolidated balance sheet46 39 85 
Expenditures(8,728)(3,128)(11,856)
Currency translation and other(81)(74)(155)
Balance at September 30, 2024$58,554 $61,024 $119,578 
In the nine months ended September 30, 2024, there were no significant benefits or charges resulting from changes in estimates for closure and post-closure liabilities.