FOREIGN CURRENCY DERIVATIVES (Details 6) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Jun. 30, 2017	Dec. 31, 2018	Dec. 31, 2017
Gain (Loss) Included in Accumulated Other Comprehensive Income [Roll Forward]
Gain (loss) included in AOCI as of beginning of period	$ 2,825	$ (3,089)	$ 541	$ (1,693)	$ 541
Amount of gain (loss) recognized in other comprehensive income (“OCI”) (effective portion)	(5,622)	(446)	(5,093)	(853)
Amount of (gain) loss reclassified from OCI into net revenues (effective portion)	501,669	226,534		1,206,047	640,760
Amount of (gain) loss reclassified from OCI into cost of revenues (effective portion)	(286,532)	(112,409)		(728,438)	(315,720)
Amount of (gain) loss reclassified from OCI into interest expense (effective portion)	(25,032)	(7,341)		(56,252)	(21,904)
Total amount of (gain) loss reclassified from AOCI to income (loss) (effective portion)	(453)	1,296	2,313	(704)
Gain (loss) included in AOCI as of end of period	(3,250)	(2,239)		(3,250)	$ (2,239)
Reclassification out of Accumulated Other Comprehensive Income [Member]
Gain (Loss) Included in Accumulated Other Comprehensive Income [Roll Forward]
Amount of (gain) loss reclassified from OCI into net revenues (effective portion)	(1,488)	1,357	2,506	(2,637)
Amount of (gain) loss reclassified from OCI into cost of revenues (effective portion)	6	(61)	(193)	(73)
Amount of (gain) loss reclassified from OCI into interest expense (effective portion)	$ 1,029	$ 0	$ 0	$ 2,006