CLOSURE AND POST-CLOSURE LIABILITIES

3 Months Ended

Mar. 31, 2014

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”) for the three months ended March 31, 2014 were as follows (in thousands):

	Landfill Retirement Liability			Non-Landfill Retirement Liability			Total
Balance at January 1, 2014	$	27,604		$	19,481		$	47,085
New asset retirement obligations	921			—			921
Accretion	716			456			1,172
Changes in estimates recorded to statement of income	—			216			216
Changes in estimates recorded to balance sheet	165			—			165
Expenditures	(576		)	(336		)	(912		)
Currency translation and other	(97		)	(112		)	(209		)
Balance at March 31, 2014	$	28,733		$	19,705		$	48,438

All of the landfill facilities included in the above were active as of March 31, 2014. New asset retirement obligations incurred during the first three months of 2014 were discounted at the credit-adjusted risk-free rate of 6.54%. There were no significant charges (benefits) in 2014 resulting from changes in estimates for closure and post-closure liabilities.