REMEDIAL LIABILITIES (Tables)

3 Months Ended

Mar. 31, 2017

Environmental Remediation Obligations [Abstract]

Changes to remedial liabilities

The changes to remedial liabilities for the three months ended March 31, 2017 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, 2017	$	1,777		$	64,151		$	62,079		$	128,007
Measurement period adjustments from prior period acquisitions	—			—			(16		)	(16		)
Accretion	21			615			497			1,133
Changes in estimates recorded to statement of operations	(38		)	(94		)	240			108
Expenditures	(7		)	(720		)	(2,019		)	(2,746		)
Currency translation and other	—			8			113			121
Balance at March 31, 2017	$	1,753		$	63,960		$	60,894		$	126,607