SOFTWARE DEVELOPMENT COSTS AND LICENSES (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Mar. 31, 2017
Finite-Lived Intangible Assets [Line Items]
Software development costs and licenses, Current	$ 20,181		$ 41,721
Software development costs and licenses, Non-current	462,877		381,910
Software development impairment charges	684	$ 9,068
Software development costs, internally developed
Finite-Lived Intangible Assets [Line Items]
Software development costs and licenses, Current	13,716		28,959
Software development costs and licenses, Non-current	377,790		310,229
Software development costs, externally developed
Finite-Lived Intangible Assets [Line Items]
Software development costs and licenses, Current	1,601		5,455
Software development costs and licenses, Non-current	83,556		71,407
Licenses
Finite-Lived Intangible Assets [Line Items]
Software development costs and licenses, Current	4,864		7,307
Software development costs and licenses, Non-current	$ 1,531		$ 274