ACCUMULATED OTHER COMPREHENSIVE INCOME (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015		Mar. 31, 2014
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Accumulated unrealized gain (loss) on cash flow hedges	$ 5,593	[1]	$ (1,411)	[1]
Accumulated foreign currency translation adjustments	4,363		3,887
Accumulated unrealized gain on investments	164		162
Accumulated other comprehensive income	$ 10,120		$ 2,638

[1] Refer to Note 14, Foreign Currency Derivatives, which discloses the nature of the Company's derivative assets and liabilities as of March 31, 2015 and March 31, 2014.