REMEDIAL LIABILITIES (Tables)

3 Months Ended

Mar. 31, 2019

Environmental Remediation Obligations [Abstract]

Changes to remedial liabilities

The changes to remedial liabilities for the three months ended March 31, 2019 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, 2019	$	1,838		$	65,315		$	53,864		$	121,017
Accretion	22			675			446			1,143
Changes in estimates recorded to statement of operations	23			172			(1,009		)	(814		)
Expenditures	(15		)	(1,154		)	(1,303		)	(2,472		)
Currency translation and other	—			10			77			87
Balance at March 31, 2019	$	1,868		$	65,018		$	52,075		$	118,961