SOFTWARE DEVELOPMENT COSTS AND LICENSES (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Mar. 31, 2019
Finite-Lived Intangible Assets [Line Items]
Software development costs and licenses, Current	$ 59,802		$ 59,802		$ 28,880
Software development costs and licenses, Non-current	440,752		440,752		603,436
Software Development Impairment Charges	0	$ 7,426	0	$ 7,426
Software development costs, internally developed
Finite-Lived Intangible Assets [Line Items]
Software development costs and licenses, Current	24,864		24,864		14,809
Software development costs and licenses, Non-current	362,952		362,952		434,712
Software development costs, externally developed
Finite-Lived Intangible Assets [Line Items]
Software development costs and licenses, Current	31,385		31,385		3,655
Software development costs and licenses, Non-current	75,730		75,730		168,381
Licenses
Finite-Lived Intangible Assets [Line Items]
Software development costs and licenses, Current	3,553		3,553		10,416
Software development costs and licenses, Non-current	$ 2,070		$ 2,070		$ 343