ACCUMULATED OTHER COMPREHENSIVE INCOME (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Mar. 31, 2017
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Accumulated unrealized gain (loss) on cash flow hedges	$ (1,663)	$ 529
Accumulated foreign currency translation adjustments	4,685	4,428
Accumulated unrealized gain on investments	(152)	(263)
Accumulated other comprehensive income	$ 2,870	$ 4,694