FOREIGN CURRENCY DERIVATIVES (Details 4) € in Millions, £ in Millions	Jun. 30, 2019 EUR (€)	Jun. 30, 2019 GBP (£)	Mar. 31, 2019 EUR (€)	Mar. 31, 2019 GBP (£)
Option contracts [Member]
Derivative [Line Items]
Notional amount of contracts	€ 82.6	£ 27.4	€ 76.8	£ 25.8
Forward contracts [Member]
Derivative [Line Items]
Notional amount of contracts	€ 57.9	£ 20.8	€ 55.4	£ 18.0