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Financial Instruments - Fair Value of Derivatives Not Designated as Hedge Instruments (Detail) - Not Designated as Hedge Instrument - Foreign currency forward contracts - USD ($) $ in Thousands | Oct. 31, 2023 | Apr. 30, 2023
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Derivative assets: |  |
Fair value of derivative assets | $ 546 | $ 2,813
Derivative liabilities: |  |
Fair value of derivative liabilities | $ 2,006 | $ 680

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