REMEDIAL LIABILITIES (Tables)

9 Months Ended

Sep. 30, 2021

Environmental Remediation Obligations [Abstract]

Schedule of Changes to Remedial Liabilities

The changes to remedial liabilities from January 1, 2021 through September 30, 2021 were as follows (in thousands):

	Remedial Liabilities for Landfill Sites		Remedial Liabilities for Inactive Sites		Remedial Liabilities (Including Superfund) for Non-Landfill Operations		Total
Balance at January 1, 2021	$	1,865	$	63,060	$	49,888	$	114,813
Accretion	67		1,955		1,259		3,281
Changes in estimates recorded to consolidated statement of operations	(22)		358		(321)		15
Expenditures	(37)		(3,963)		(3,342)		(7,342)
Currency translation and other	—		(821)		870		49
Balance at September 30, 2021	$	1,873	$	60,589	$	48,354	$	110,816