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FOREIGN CURRENCY DERIVATIVES (Details 3) (USD $)
In Thousands
3 Months Ended
Jun. 30, 2011
Jun. 30, 2010
Not Designated as Hedging Instrument [Member]
   
Derivative [Line Items]    
Derivative Instruments, Gain (Loss) Recognized in Income, Net $ (797) $ 2,046
Designated as Hedging Instrument [Member]
   
Derivative [Line Items]    
Derivative Instruments, Gain (Loss) Recognized in Income, Net $ (1,614) $ 1,092