SOFTWARE DEVELOPMENT COSTS AND LICENSES (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Mar. 31, 2020
Finite-Lived Intangible Assets [Line Items]
Software development costs and licenses, Current	$ 31,714		$ 40,316
Software development costs and licenses, Non-current	409,962		401,778
Software development impairment charges	19,695
Impairment of software development		$ 0
Software development costs, internally developed
Finite-Lived Intangible Assets [Line Items]
Software development costs and licenses, Current	10,491		17,367
Software development costs and licenses, Non-current	321,524		305,970
Software development costs, externally developed
Finite-Lived Intangible Assets [Line Items]
Software development costs and licenses, Current	13,674		10,971
Software development costs and licenses, Non-current	84,188		92,908
Licenses
Finite-Lived Intangible Assets [Line Items]
Software development costs and licenses, Current	7,549		11,978
Software development costs and licenses, Non-current	$ 4,250		$ 2,900