QUARTERLY FINANCIAL INFORMATION (UNAUDITED) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2015
Quarterly Financial Information Disclosure [Abstract]
Net revenue	$ 571,555	$ 476,474	$ 420,167	$ 311,552	$ 377,206	$ 414,221	$ 346,974	$ 275,297	$ 1,779,748	$ 1,413,698	$ 1,082,938
Gross profit (loss)	256,657	165,399	214,562	120,171	167,749	156,360	203,034	72,682	756,789	599,825	288,071
(Loss) income from operations	111,503	(28,409)	47,194	(38,983)	44,575	(59,197)	66,431	(62,637)	91,305	(10,828)	(258,463)
Net income (loss)	$ 99,280	$ (29,842)	$ 36,432	$ (38,567)	$ 46,399	$ (42,413)	$ 54,735	$ (67,023)	$ 67,303	$ (8,302)	$ (279,470)
Earnings (loss) per share:
Basic earnings (loss) per share (in dollars per share)	$ 0.97	$ (0.33)	$ 0.42	$ (0.46)	$ 0.54	$ (0.51)	$ 0.63	$ (0.81)	$ 0.73	$ (0.10)	$ (3.48)
Diluted earnings (loss) per share (in dollars per share)	$ 0.89	$ (0.33)	$ 0.39	$ (0.46)	$ 0.48	$ (0.51)	$ 0.55	$ (0.81)	$ 0.72	$ (0.10)	$ (3.48)