BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES (Details 2) (Foreign Currency Forward Contract, USD $) In Thousands, unless otherwise specified	12 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2011
Designated As Hedging Instrument
Significant Accounting Policies
Gains or losses reclassified into interest and other, net	$ 0
Outstanding forward contracts to purchase foreign currency in exchange for U.S. dollars	7,906	10,192
Maximum maturity period for some outstanding foreign currency forward contracts	1 year	1 year
Not Designated As Hedging Instrument
Significant Accounting Policies
Outstanding forward contracts to purchase foreign currency in exchange for U.S. dollars		4,005
Maximum maturity period for some outstanding foreign currency forward contracts	1 year	1 year
Outstanding forward contracts to sell foreign currency in exchange for U.S. dollars	55,397	28,304
Gains (Losses) related to foreign currency forward contracts	$ 2,163	$ 746	$ (6,901)