FOREIGN CURRENCY DERIVATIVES (Details 4)	Dec. 31, 2018 EUR (€)	Dec. 31, 2018 GBP (£)	Mar. 31, 2018 EUR (€)	Mar. 31, 2018 GBP (£)
Option contracts [Member]
Derivative [Line Items]
Notional amount of contracts	€ 68,920,000	£ 31,875,000	€ 50,800,000	£ 15,600,000
Forward contracts [Member]
Derivative [Line Items]
Notional amount of contracts	€ 45,555,000	£ 16,065,000	€ 35,000,000	£ 10,700,000