Financial Instruments - Fair Value of Derivative Designated as Cash Flow Hedge Instrument (Detail) - USD ($) $ in Thousands |
Apr. 30, 2019 |
Apr. 30, 2018 |
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| Designated as Hedge Instrument | Interest Rate Swap | ||
| Derivative asset: | ||
| Interest rate swap contract | $ 619 | $ 2,076 |
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- Definition Fair value of all asset derivatives designated as cash flow hedging instruments. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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