Fair Value of Derivatives Not Designated as Hedge Instruments (Detail) - Not Designated as Hedge Instrument - Foreign Exchange Forward Contracts - USD ($) $ in Thousands |
Apr. 30, 2017 |
Apr. 30, 2016 |
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| Derivative assets: | ||
| Fair Value of Derivative Assets | $ 129 | $ 324 |
| Derivative liabilities: | ||
| Fair Value of Derivative Liabilities | $ 846 | $ 1,041 |
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- References No definition available.
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- Definition Fair value as of the balance sheet date of all foreign currency derivative assets not designated as hedging instruments. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Fair value as of the balance sheet date of all foreign currency derivative liabilities not designated as hedging instruments. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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