GOODWILL AND INTANGIBLE ASSETS, NET (Amortization of Intangible Assets) (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2017
Capitalized software development costs and licenses
Total amortization of intangible assets	$ 23,879	$ 34,830	$ 6,816
Cost of goods sold
Capitalized software development costs and licenses
Total amortization of intangible assets	16,937	19,719	4,252
Selling and marketing
Capitalized software development costs and licenses
Total amortization of intangible assets	0	8,107	1,497
Research and development
Capitalized software development costs and licenses
Total amortization of intangible assets	6,436	6,494	989
Depreciation and amortization
Capitalized software development costs and licenses
Total amortization of intangible assets	$ 506	$ 510	$ 78