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SIGNIFICANT ACCOUNTING POLICIES (Details 5) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Derivatives not designated as hedging:      
Total derivatives $ 245 $ 122 $ (51)
Operating Expenses [Member]
     
Cash flow hedging:      
Foreign exchange forward and option contracts 0 63 (55)
Financial Expenses [Member]
     
Derivatives not designated as hedging:      
Foreign exchange forward contracts $ 245 $ 59 $ 4