ACCUMULATED OTHER COMPREHENSIVE LOSS (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	$ (200,704)	$ (127,692)	$ (180,505)	$ (126,156)
Other comprehensive gain (loss) before reclassifications	15,165	(44,441)	(26,890)	(44,398)
Net (gains) losses reclassified from accumulated other comprehensive loss	25,395	6,490	47,251	4,911
Net current-period other comprehensive gain (loss)	40,560	(37,951)	20,361	(39,487)
Ending balance	(160,144)	(165,643)	(160,144)	(165,643)
Unrealized gain (loss) on derivative instruments and other
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(60,981)	(24,557)	(68,266)	(32,849)
Other comprehensive gain (loss) before reclassifications	5,941	(29,287)	(8,478)	(31,252)
Net (gains) losses reclassified from accumulated other comprehensive loss	4,556	6,490	26,260	16,747
Net current-period other comprehensive gain (loss)	10,497	(22,797)	17,782	(14,505)
Ending balance	(50,484)	(47,354)	(50,484)	(47,354)
Foreign currency translation adjustments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(139,723)	(103,135)	(112,239)	(93,307)
Other comprehensive gain (loss) before reclassifications	9,224	(15,154)	(18,412)	(13,146)
Net (gains) losses reclassified from accumulated other comprehensive loss	20,839	0	20,991	(11,836)
Net current-period other comprehensive gain (loss)	30,063	(15,154)	2,579	(24,982)
Ending balance	$ (109,660)	$ (118,289)	$ (109,660)	$ (118,289)