FINANCIAL INSTRUMENTS - Fair Value of Derivative Instruments (Details) - Other Foreign Currency Contracts - USD ($) $ in Thousands	Mar. 31, 2019	Mar. 31, 2018
Other current assets | Derivatives designated as hedging instruments
Fair Values of Derivative Instruments
Asset Derivatives	$ 10,503	$ 19,422
Other current assets | Derivatives not designated as hedging instruments
Fair Values of Derivative Instruments
Asset Derivatives	16,774	23,912
Other current liabilities | Derivatives designated as hedging instruments
Fair Values of Derivative Instruments
Liability Derivatives	10,282	7,065
Other current liabilities | Derivatives not designated as hedging instruments
Fair Values of Derivative Instruments
Liability Derivatives	$ 17,144	$ 18,246