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Accounts Receivable - Narrative (Detail) - USD ($) | Apr. 30, 2023 | May 01, 2022 | May 02, 2021 | May 03, 2020
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Allowance for doubtful accounts [Member] |  |  |  |
Valuation and Qualifying Accounts Disclosure [Line Items] |  |  |  |
Allowance for doubtful accounts | $ 342,000 | $ 292,000 | $ 591,000 | $ 472,000

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