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FOREIGN CURRENCY DERIVATIVES (Details 2) (USD $)
In Thousands, unless otherwise specified
6 Months Ended
Sep. 30, 2012
Mar. 31, 2012
Derivative Instruments and Hedging Activities Disclosure [Abstract]    
Gain (loss) included in AOCI $ 717 $ 1,937
Amount of gain (loss) recognized in AOCI (effective portion) 1,548  
Amount of gain (loss) reclassified from AOCI to income (loss) (effective portion) $ 2,768