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Inventories - Additional Information (Detail) - USD ($) $ in Thousands | Oct. 31, 2022 | Apr. 30, 2022
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Inventory [Line Items] |  |
Inventories | $ 24,502 | $ 23,796
International Subsidiaries |  |
Inventory [Line Items] |  |
Inventories | $ 3,224 | $ 2,811

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