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ACCOUNTING POLICIES (Tables)
12 Months Ended
Dec. 31, 2013
Accounting Policies [Abstract]  
Summary of catch-up adjustments
Cumulative catch-up adjustments had the following impact to operating income in the years presented:
 
 
 
 
 
 
 
2013
 
2012
 
2011
 
 
 
 
 
 
Favorable adjustments
106

 
587

 
492

Unfavorable adjustments
(1,609
)
 
(519
)
 
(779
)
Net operating income adjustments
(1,503
)
 
68

 
(287
)