XML 80 R17.htm IDEA: XBRL DOCUMENT v2.4.1.9
CLOSURE AND POST-CLOSURE LIABILITIES
 12 Months Ended
Dec. 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") from January 1, 2013 through December 31, 2014 were as follows (in thousands):
 
Landfill
Retirement
Liability
 
Non-Landfill
Retirement
Liability
 
Total
Balance at January 1, 2013
$
26,658

 
$
17,389

 
$
44,047

Liabilities assumed in Evergreen acquisition
—

 
659

 
659

New asset retirement obligations
4,515

 
—

 
4,515

Accretion
3,016

 
1,730

 
4,746

Changes in estimates recorded to statement of income
(409
)
 
47

 
(362
)
Changes in estimates recorded to balance sheet
(1,697
)
 
181

 
(1,516
)
Expenditures
(4,175
)
 
(347
)
 
(4,522
)
Currency translation and other
(304
)
 
(178
)
 
(482
)
Balance at December 31, 2013
27,604

 
19,481

 
47,085

New asset retirement obligations
3,595

 
—

 
3,595

Accretion
2,583

 
1,875

 
4,458

Changes in estimates recorded to statement of (loss) income
(722
)
 
73

 
(649
)
Changes in estimates recorded to balance sheet
(1,304
)
 
—

 
(1,304
)
Expenditures
(1,580
)
 
(546
)
 
(2,126
)
Currency translation and other
(244
)
 
(114
)
 
(358
)
Balance at December 31, 2014
$
29,932

 
$
20,769

 
$
50,701


All of the landfill facilities included in the above table were active as of December 31, 2014 and 2013. There were no significant charges (benefits) in 2014 and 2013 resulting from changes in estimates for closure and post-closure liabilities.
(8) CLOSURE AND POST-CLOSURE LIABILITIES (Continued)
New asset retirement obligations incurred during 2014 and 2013 were discounted at the credit-adjusted risk-free rate of 6.54% and 6.60%, respectively.
Anticipated payments (based on current estimated costs and anticipated timing of necessary regulatory approvals to commence work on closure and post-closure activities) for each of the next five years and thereafter are as follows (in thousands):
Year ending December 31,
 
2015
$
5,858

2016
13,622

2017
6,453

2018
4,962

2019
7,455

Thereafter
257,983

Undiscounted closure and post-closure liabilities
296,333

Less: Discount at credit-adjusted risk-free rate
(153,553
)
Less: Undiscounted estimated closure and post-closure liabilities relating to airspace not yet consumed
(92,079
)
Present value of closure and post-closure liabilities
$
50,701