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Derivatives and Hedging (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Feb. 28, 2014	Feb. 28, 2013
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Unrealized Gain On Foreign Currency Derivative Instruments Not Designated As Hedging Instruments	$ 0.1
UnrealizedLossOnForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments		$ 0.1

X

- Definition

Amount of unrealized gain recognized in earnings in the period from the increase (decrease) in fair value of foreign currency derivatives not designated as hedging instruments.

+ References

No definition available.

+ Details

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X

- Definition

Amount of unrealized loss recognized in earnings in the period from the increase (decrease) in fair value of foreign currency derivatives not designated as hedging instruments.

+ References

No definition available.

+ Details

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X

- Details

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