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Derivatives and Hedging (Details) - Not Designated as Hedging Instrument - Foreign Exchange Contract - USD ($) $ in Millions | 6 Months Ended
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Nov. 30, 2019 | Nov. 30, 2018
Derivative Instruments, Gain (Loss) [Line Items] |  |
Derivative notional amount | $ 26.0 | $ 30.0
Unrealized gain (loss) | $ (0.9) | $ (0.3)

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- Definition Derivative, Notional Amount1 + References No definition available. + 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 Amount of net unrealized gain (loss) related to the change in fair value of foreign currency exchange rate derivatives designated as cash flow hedging instruments. Recorded in accumulated other comprehensive income to the extent that the cash flow hedge is determined to be effective. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624171-113959 + Details
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- Details
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