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Derivative Financial Instruments - Narrative (Details) - USD ($) $ in Millions | 6 Months Ended |
--- | --- | ---
Sep. 30, 2017 | Mar. 31, 2017
Not Designated as Hedging Instrument | Foreign Exchange Forward And Swap |  |
Derivative [Line Items] |  |
Derivative term of contract | 1 month |
Foreign Exchange Forward | Designated as hedging instruments | Cash Flow Hedges |  |
Derivative [Line Items] |  |
Derivative term of contract | 4 months |
Notional amount of derivatives | $ 149.1 | $ 59.4
Cash flow hedge gain (loss) to be reclassified within twelve months | (2.7) |
Foreign Exchange Forward | Not Designated as Hedging Instrument |  |
Derivative [Line Items] |  |
Notional amount of derivatives | $ 95.6 | $ 56.7

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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 The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=35736893&loc=d3e80748-113994 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Period the derivative contract is outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Details
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