SEGMENT AND GEOGRAPHIC INFORMATION - REVENUE BY PRODUCT PLATFORM (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Net revenue by product platform:
Total net revenue	$ 420,167	$ 346,974	$ 731,719	$ 622,271
Console
Net revenue by product platform:
Total net revenue	353,038	301,029	607,064	523,603
PC and other
Net revenue by product platform:
Total net revenue	$ 67,129	$ 45,945	$ 124,655	$ 98,668