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FOREIGN CURRENCY DERIVATIVES (Details 3) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2011
Dec. 31, 2010
Not Designated as Hedging Instrument [Member]
       
Derivative [Line Items]        
Gain (loss) on foreign exchange contracts $ 675 $ 814 $ 1,975 $ 285
Designated as Hedging Instrument [Member]
       
Derivative [Line Items]        
Gain (loss) on foreign exchange contracts $ (555) $ 817 $ (2,572) $ 2,756