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SIGNIFICANT ACCOUNTING POLICIES (Derivatives) (Details) (Foreign Exchange Forward [Member], USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Derivatives, Fair Value [Line Items]    
Notional principal amount $ 90,535 $ 86,600
Not Designated as Hedging Instrument [Member]
   
Derivatives, Fair Value [Line Items]    
Derivative assets 728   
Derivative liabilities    $ (3,163)