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DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2017 | Dec. 31, 2016 | Mar. 31, 2017
Derivative [Line Items] |  |  |  |  |
Forward contracts to sell foreign currencies | $ 130,763 |  | $ 130,763 |  | $ 177,549
Forward contracts to purchase foreign currencies | 3,883 |  | 3,883 |  | $ 9,170
Derivative instrument not designated as hedging instruments, gain (loss), net | (620) | $ 11,158 | (15,325) | $ 11,731 |
Cash Flow Hedging | Cross-currency swap |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Derivative, notional amount | $ 129,000 |  | $ 129,000 |  |

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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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- Definition Represents the notional amount of derivative instruments to buy. + References No definition available. + Details
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- Definition Represents the notional amount of derivative instruments to sell. + References No definition available. + Details
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- Definition Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5624171-113959 + Details
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