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FOREIGN CURRENCY DERIVATIVES (Details 3) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Designated as Hedging Instrument [Member]
   
Derivative [Line Items]    
Gain (loss) on foreign exchange contracts $ 1,694 $ (1,614)
Not Designated as Hedging Instrument [Member]
   
Derivative [Line Items]    
Gain (loss) on foreign exchange contracts $ 1,467 $ (797)