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FINANCIAL ASSETS AND FINANCIAL LIABILITIES MEASURED AT FAIR VALUE (Details 2) (Measured on a recurring basis, (Level 2), USD $)
In Thousands, unless otherwise specified
Dec. 31, 2011
Dec. 31, 2010
Currency swaps
   
Fair values for derivatives    
Derivative net asset (liability) position   $ (1,368)
Forward exchange contracts
   
Fair values for derivatives    
Derivative net asset (liability) position (3) 13
Interest-rate swap
   
Fair values for derivatives    
Derivative net asset (liability) position $ 3,268