FOREIGN CURRENCY DERIVATIVES (Details 3) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Designated as Hedging Instrument [Member]
Derivative [Line Items]
Gain (loss) on foreign exchange contracts	$ 1,074	$ (404)	$ 2,768	$ (2,018)
Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Gain (loss) on foreign exchange contracts	$ (648)	$ 2,096	$ 819	$ 1,299