- LOSS CARRYFORWARDS (Details) - USD ($)	12 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Operating loss carryforwards
Total amount of undistributed earnings of foreign subsidiaries	$ 314,800,000	$ 162,800,000
Provision for foreign withholding taxes or U.S. income taxes, which may become payable if undistributed earnings of foreign subsidiaries are repatriated	0
Gross unrecognized tax benefits including interest and penalties	128,510,000	120,198,000
Gross unrealized tax benefits, which would affect effective tax rate, if realized	22,805,000	$ 36,940,000
Domestic
Operating loss carryforwards
Net operating loss carryforwards	50,136,000
Domestic | Expire in 2022
Operating loss carryforwards
Net operating loss carryforwards	1,676,000
Domestic | Expire from 2023 to 2027
Operating loss carryforwards
Net operating loss carryforwards	21,700,000
Domestic | Expire from 2028 to 2032
Operating loss carryforwards
Net operating loss carryforwards	22,400,000
Domestic | Expire in 2037
Operating loss carryforwards
Net operating loss carryforwards	4,321,000
Foreign
Operating loss carryforwards
Net operating loss carryforwards	209,238,000
Foreign | Expire in 2022
Operating loss carryforwards
Net operating loss carryforwards	118,000
Foreign | Expire in 2020
Operating loss carryforwards
Net operating loss carryforwards	$ 192,485,000