GOODWILL AND INTANGIBLE ASSETS, NET (Amortization of Intangible Assets) (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2015
Capitalized software development costs and licenses
Total amortization of intangible assets	$ 6,816	$ 160	$ 344
Cost of goods sold
Capitalized software development costs and licenses
Total amortization of intangible assets	4,252	160	344
Selling and marketing
Capitalized software development costs and licenses
Total amortization of intangible assets	1,497	0	0
Research and development
Capitalized software development costs and licenses
Total amortization of intangible assets	989	0	0
Depreciation and amortization
Capitalized software development costs and licenses
Total amortization of intangible assets	$ 78	$ 0	$ 0