CLOSURE AND POST-CLOSURE LIABILITIES

3 Months Ended

Mar. 31, 2016

Asset Retirement Obligation Disclosure [Abstract]

CLOSURE AND POST-CLOSURE LIABILITIES

CLOSURE AND POST-CLOSURE LIABILITIES

The changes to closure and post-closure liabilities (also referred to as “asset retirement obligations”) from January 1, 2016 through March 31, 2016 were as follows (in thousands):

	Landfill Retirement Liability			Non-Landfill Retirement Liability			Total
Balance at January 1, 2016	$	32,023		$	24,226		$	56,249
Adjustments during the measurement period related to acquisitions	—			657			657
New asset retirement obligations	621			—			621
Accretion	691			567			1,258
Changes in estimates recorded to statement of operations	(283		)	(132		)	(415		)
Expenditures	(112		)	(391		)	(503		)
Currency translation and other	156			67			223
Balance at March 31, 2016	$	33,096		$	24,994		$	58,090

All of the landfill facilities included in the above were active as of March 31, 2016. There were no significant charges (benefits) in 2016 resulting from changes in estimates for closure and post-closure liabilities.

New asset retirement obligations incurred during the first three months of 2016 were discounted at the credit-adjusted risk-free rate of 6.23%.