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REMEDIAL LIABILITIES
 6 Months Ended
Jun. 30, 2014
Environmental Remediation Obligations [Abstract]  
REMEDIAL LIABILITIES
REMEDIAL LIABILITIES 
The changes to remedial liabilities for the six months ended June 30, 2014 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, 2014
$
5,624

 
$
74,262

 
$
92,612

 
$
172,498

Adjustments during the measurement period related to Evergreen
—

 
—

 
(518
)
 
(518
)
Accretion
133

 
1,534

 
1,467

 
3,134

Changes in estimates recorded to statement of income
(126
)
 
(2,467
)
 
1,068

 
(1,525
)
Expenditures
(57
)
 
(2,489
)
 
(3,131
)
 
(5,677
)
Currency translation and other
(10
)
 
7

 
(82
)
 
(85
)
Balance at June 30, 2014
$
5,564

 
$
70,847

 
$
91,416

 
$
167,827


In the six months ended June 30, 2014, the reduction in changes in estimates recorded to the statement of income was $1.5 million and primarily related to estimated cost adjustments for remediation across various sites.