SEGMENT AND GEOGRAPHIC INFORMATION - REVENUE BY GEOGRAPHIC REGION (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014
Net revenue by geographic region:
Total net revenue	$ 414,221	$ 531,147	$ 1,036,492	$ 782,849
United States
Net revenue by geographic region:
Total net revenue	218,386	334,257	546,926	458,423
Europe
Net revenue by geographic region:
Total net revenue	142,326	127,600	362,059	215,743
Asia Pacific
Net revenue by geographic region:
Total net revenue	28,429	46,417	68,913	65,441
Canada and Latin America
Net revenue by geographic region:
Total net revenue	$ 25,080	$ 22,873	$ 58,594	$ 43,242