DERIVATIVE FINANCIAL INSTRUMENTS (Details) - USD ($) $ in Thousands		Jun. 30, 2018	Mar. 31, 2018
Derivatives, Fair Value [Line Items]
Asset, Noncurrent	[1]	$ 0	$ 46
Asset, Current	[1]	0	194
Liability, Noncurrent	[1]	335	17
Liability, Current	[1]	498	127
Designated as hedging instruments | Cash Flow Hedges | Foreign exchange forward contracts
Derivatives, Fair Value [Line Items]
Asset, Noncurrent	[1]	0	46
Asset, Current	[1]	0	194
Liability, Noncurrent	[1]	335	17
Liability, Current	[1]	$ 498	$ 127

[1] The noncurrent and current portions of derivative assets are included in 'Other assets' and 'Prepaid expenses and other current assets,' respectively, and the noncurrent and current portions of derivative liabilities are included in 'Other liabilities' and 'Accrued expenses and other current liabilities,' respectively, in the consolidated balance sheet.