DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES - Summary of Notional Amounts and Fair Values of Derivative Instruments on Consolidated Balance Sheet (Details) - Forward contracts - Cash flow hedges - Designated as hedging instrument - USD ($) $ in Thousands	Dec. 31, 2017	Mar. 31, 2017
Derivatives, Fair Value [Line Items]
Notional Amounts	$ 10,207	$ 14,752
Prepaid Expenses and Other Current Assets
Derivatives, Fair Value [Line Items]
Prepaid Expenses and Other Current Assets	153	110
Accrued Other
Derivatives, Fair Value [Line Items]
Accrued Other	$ 63	$ 213