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Accounts Receivable - Allowance for Returns and Allowances and Discounts (Detail) - Reserve for returns and allowances and discounts [Member] - USD ($) $ in Thousands | 12 Months Ended
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Apr. 28, 2024 | Apr. 30, 2023 | May 01, 2022
Valuation and Qualifying Accounts Disclosure [Line Items] |  |  |
beginning balance | $ (124) | $ (95) | $ (138)
provision for returns and allowances and discounts | (1,173) | (1,212) | (1,386)
credits issued and discounts taken | 1,131 | 1,183 | 1,429
ending balance | $ (166) | $ (124) | $ (95)

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