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FAIR VALUE OF FINANCIAL INSTRUMENTS - Financial instruments measured at fair value on a recurring basis (Details) (Fair value, recurring basis, USD $)
In Thousands, unless otherwise specified
Mar. 31, 2014
Dec. 31, 2013
Level 1
   
Derivative financial instruments    
Derivative financial current assets      
Derivative financial current liability      
Level 1 | Foreign currency contracts
   
Derivative financial instruments    
Derivative financial current assets      
Derivative financial current liability      
Level 2
   
Derivative financial instruments    
Derivative financial current assets      
Derivative financial current liability 263 291
Level 2 | Foreign currency contracts
   
Derivative financial instruments    
Derivative financial current assets      
Derivative financial current liability 263 291
Level 3
   
Derivative financial instruments    
Derivative financial current assets      
Derivative financial current liability      
Level 3 | Foreign currency contracts
   
Derivative financial instruments    
Derivative financial current assets      
Derivative financial current liability      
Total
   
Derivative financial instruments    
Derivative financial current assets      
Derivative financial current liability 263 291
Total | Foreign currency contracts
   
Derivative financial instruments    
Derivative financial current assets      
Derivative financial current liability $ 263 $ 291