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 |