REMEDIAL LIABILITIES (Tables)

6 Months Ended

Jun. 30, 2019

Environmental Remediation Obligations [Abstract]

Changes to remedial liabilities

The changes to remedial liabilities from January 1, 2019 through June 30, 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	44			1,359			889			2,292
Changes in estimates recorded to statement of operations	23			171			(1,049		)	(855		)
Expenditures	(29		)	(2,445		)	(2,122		)	(4,596		)
Currency translation and other	—			24			393			417
Balance at June 30, 2019	$	1,876		$	64,424		$	51,975		$	118,275