BUSINESS REORGANIZATION (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2017	Dec. 31, 2016
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 700	$ 0	$ 13,012	$ 0
Fiscal 2018 Plan
Restructuring Cost and Reserve [Line Items]
Restructuring charges	700		13,012
Fiscal 2018 Plan | Accrued Expenses and Other Current Liabilities
Restructuring Cost and Reserve [Line Items]
Restructuring reserve	5,170		5,170
Fiscal 2018 Plan | Other long-term liabilities
Restructuring Cost and Reserve [Line Items]
Restructuring reserve	$ 4,813		4,813
Reorganization Activities | Fiscal 2018 Plan
Restructuring Cost and Reserve [Line Items]
Restructuring charges			$ 3,029