BUSINESS REORGANIZATION (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2018	Dec. 31, 2017
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ (5,930)	$ 700	$ (6,172)	$ 13,012
Fiscal 2018 Plan
Restructuring Cost and Reserve [Line Items]
Restructuring charges			(242)
Fiscal 2018 Plan | Other long-term liabilities
Restructuring Cost and Reserve [Line Items]
Restructuring reserve	4,708		4,708
Fiscal 2016 Plan
Restructuring Cost and Reserve [Line Items]
Restructuring charges			(5,930)
Fiscal 2016 Plan | Accrued Expenses and Other Current Liabilities
Restructuring Cost and Reserve [Line Items]
Restructuring reserve	$ 60,005		60,005
Reorganization Activities | Fiscal 2018 Plan
Restructuring Cost and Reserve [Line Items]
Restructuring charges			5,517
Separation Costs | Fiscal 2016 Plan
Restructuring Cost and Reserve [Line Items]
Restructuring charges			$ 71,285