DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Mar. 31, 2017
Derivative [Line Items]
Forward contracts to sell foreign currencies	$ 130,763		$ 130,763		$ 177,549
Forward contracts to purchase foreign currencies	3,883		3,883		$ 9,170
Derivative instrument not designated as hedging instruments, gain (loss), net	(620)	$ 11,158	(15,325)	$ 11,731
Cash Flow Hedging | Cross-currency swap
Derivative [Line Items]
Derivative, notional amount	$ 129,000		$ 129,000