ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Mar. 31, 2017
Liabilities, Current [Abstract]
Software development royalties	$ 532,665	$ 492,133
Compensation and benefits	82,703	44,843
Business reorganization	71,105	65,935
Licenses	66,113	37,019
Marketing and promotions	56,189	21,030
Deferred acquisition payments	25,000	25,000
Other	73,570	64,915
Accrued expenses and other current liabilities	$ 907,345	$ 750,875