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HEDGING INSTRUMENTS (Details) (USD $)
In Thousands, unless otherwise specified
6 Months Ended 6 Months Ended
Jun. 30, 2012
Dec. 31, 2011
Jun. 30, 2012
Payroll and Other Operating Expense [Member]
Jun. 30, 2011
Payroll and Other Operating Expense [Member]
Jun. 30, 2012
Financial Income (Loss) [Member]
Jun. 30, 2011
Financial Income (Loss) [Member]
Derivative Instruments, Gain (Loss) [Line Items]            
Gain (loss) recognized in income related to the effective portion of its hedging instruments     $ (604) $ 486    
The ineffective portion of the hedged instrument recorded as a financial income (loss)         (21) 6
Fair value of the hedging instruments recorded as liability 201 799        
Total amount of net income expected to be reclassified on derivative instruments from accumulated other comprehensive income to earnings during the following six months $ 201