SUPPLEMENTAL GUARANTOR AND NON-GUARANTOR CONDENSED CONSOLIDATING FINANCIAL STATEMENTS (Details 4) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014
Condensed consolidating statements of comprehensive income (loss)
Net income (loss)	$ 148,910	$ 152,899	$ 382,737	$ 465,689
Other comprehensive income (loss):
Foreign currency translation adjustments, net of zero tax	30,063	(15,154)	2,579	(24,982)
Unrealized gain (loss) on derivative instruments and other, net of zero tax	10,497	(22,797)	17,782	(14,505)
Comprehensive income	189,470	114,948	403,098	426,202
Reportable legal entities | Parent
Condensed consolidating statements of comprehensive income (loss)
Net income (loss)	148,910	152,899	382,737	465,689
Other comprehensive income (loss):
Foreign currency translation adjustments, net of zero tax	30,063	(15,154)	2,579	(24,982)
Unrealized gain (loss) on derivative instruments and other, net of zero tax	10,497	(22,797)	17,782	(14,505)
Comprehensive income	189,470	114,948	403,098	426,202
Reportable legal entities | Guarantor Subsidiaries
Condensed consolidating statements of comprehensive income (loss)
Net income (loss)	(36,475)	28,448	(93,831)	32,001
Other comprehensive income (loss):
Foreign currency translation adjustments, net of zero tax	64,298	96,645	7,113	190,307
Unrealized gain (loss) on derivative instruments and other, net of zero tax	4,099	(5,936)	9,883	(6,164)
Comprehensive income	31,922	119,157	(76,835)	216,144
Reportable legal entities | Non-Guarantor Subsidiaries
Condensed consolidating statements of comprehensive income (loss)
Net income (loss)	169,781	144,301	65,226	501,934
Other comprehensive income (loss):
Foreign currency translation adjustments, net of zero tax	50,828	37,167	(703)	108,504
Unrealized gain (loss) on derivative instruments and other, net of zero tax	10,497	(22,797)	17,782	(14,505)
Comprehensive income	231,106	158,671	82,305	595,933
Eliminations
Condensed consolidating statements of comprehensive income (loss)
Net income (loss)	(133,306)	(172,749)	28,605	(533,935)
Other comprehensive income (loss):
Foreign currency translation adjustments, net of zero tax	(115,126)	(133,812)	(6,410)	(298,811)
Unrealized gain (loss) on derivative instruments and other, net of zero tax	(14,596)	28,733	(27,665)	20,669
Comprehensive income	$ (263,028)	$ (277,828)	$ (5,470)	$ (812,077)