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REMEDIAL LIABILITIES
3 Months Ended
Mar. 31, 2015
Environmental Remediation Obligations [Abstract]  
REMEDIAL LIABILITIES
REMEDIAL LIABILITIES 
The changes to remedial liabilities for the three months ended March 31, 2015 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, 2015
$
5,420

 
$
68,528

 
$
81,173

 
$
155,121

Accretion
63

 
718

 
660

 
1,441

Changes in estimates recorded to statement of income
(124
)
 
27

 
506

 
409

Expenditures
(16
)
 
(1,045
)
 
(4,278
)
 
(5,339
)
Currency translation and other
(220
)
 
(92
)
 
(1,575
)
 
(1,887
)
Balance at March 31, 2015
$
5,123

 
$
68,136

 
$
76,486

 
$
149,745


In the three months ended March 31, 2015 there were no significant charges (benefits) resulting from changes in estimates for remedial liabilities.