CLOSURE AND POST-CLOSURE LIABILITIES (Tables)

3 Months Ended

Mar. 31, 2024

Asset Retirement Obligation Disclosure [Abstract]

Schedule of 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 March 31, 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
New asset retirement obligations	556		—		556
Accretion	1,221		1,071		2,292
Changes in estimates recorded to consolidated statement of operations	—		58		58
Changes in estimates recorded to consolidated balance sheet	—		51		51
Expenditures	(608)		(1,183)		(1,791)
Currency translation and other	(109)		(85)		(194)
Balance at March 31, 2024	$	60,503	$	59,069	$	119,572