CLOSURE AND POST-CLOSURE LIABILITIES

6 Months Ended

Jun. 30, 2019

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, 2019 through June 30, 2019 were as follows (in thousands):

	Landfill Retirement Liability			Non-Landfill Retirement Liability			Total
Balance at January 1, 2019	$	37,809		$	32,122		$	69,931
Liabilities assumed in acquisitions	—			220			220
New asset retirement obligations	1,058			—			1,058
Accretion	1,455			1,387			2,842
Changes in estimates recorded to statement of operations	—			107			107
Changes in estimates recorded to balance sheet	2,798			—			2,798
Expenditures	(319		)	(1,219		)	(1,538		)
Currency translation and other	222			190			412
Balance at June 30, 2019	$	43,023		$	32,807		$	75,830

All the landfill facilities included in the above were active as of June 30, 2019. In the six months ended June 30, 2019, there were no significant charges (benefits) resulting from changes in estimates for closure and post-closure liabilities.

New asset retirement obligations incurred during the first six months of 2019 were discounted at the credit-adjusted risk-free rate of 6.02%.