INCOME TAXES - Schedule of Federal Statutory Income Tax Rate to Effective Tax Rate (Details)	12 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2014
Income Tax Disclosure [Abstract]
Statutory U.S. federal tax rate	35.00%	35.00%	35.00%
State taxes, net of federal tax effect	3.10%	3.20%	2.80%
Research and development tax credits	13.00%	(1.40%)	(1.90%)
Tax rate differential of foreign operations	(18.20%)	0.10%	0.20%
Domestic production activities deduction	9.20%	(2.90%)	(2.70%)
Change in valuation allowance	0.70%	0.40%	2.00%
Transaction costs	(19.10%)	0.00%	0.00%
Foreign withholding	(6.10%)	0.00%	0.00%
Other	(5.10%)	1.20%	1.50%
Total effective income tax rate	12.50%	35.60%	36.90%