FOREIGN CURRENCY DERIVATIVES (Details 2) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Dec. 31, 2011	Mar. 31, 2011
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) included in OCI	$ 2,437	$ (3,841)
Amount of gain (loss) recognized in OCI (effective portion)	3,706
Amount of gain (loss) reclassified from OCI to income (loss) (effective portion)	$ (2,572)