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REMEDIAL LIABILITIES
9 Months Ended
Sep. 30, 2016
Environmental Remediation Obligations [Abstract]  
REMEDIAL LIABILITIES
REMEDIAL LIABILITIES 
The changes to remedial liabilities for the nine months ended September 30, 2016 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, 2016
$
2,327

 
$
63,613

 
$
66,052

 
$
131,992

Liabilities assumed in acquisition

 

 
4

 
4

Accretion
82

 
2,049

 
1,654

 
3,785

Changes in estimates recorded to statement of operations
71

 
(448
)
 
739

 
362

Expenditures
(88
)
 
(2,957
)
 
(4,716
)
 
(7,761
)
Currency translation and other

 
45

 
654

 
699

Balance at September 30, 2016
$
2,392

 
$
62,302

 
$
64,387

 
$
129,081


In the nine months ended September 30, 2016, there were no significant charges (benefits) resulting from changes in estimates for remedial liabilities.