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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
	Apr. 27, 2025	Apr. 28, 2024	Apr. 30, 2023
Valuation and Qualifying Accounts Disclosure [Line Items]
beginning balance	$ (166)	$ (124)	$ (95)
provision for returns and allowances and discounts	(1,423)	(1,173)	(1,212)
credits issued and discounts taken	1,285	1,131	1,183
ending balance	$ (304)	$ (166)	$ (124)

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name Regulation S-X (SX)
-Number 210
-Section 12
-Subsection 09
-Paragraph Column E
-Publisher SEC

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name Regulation S-X (SX)
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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Reference 5: http://www.xbrl.org/2003/role/disclosureRef
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Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
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-Section S99
-Paragraph 4
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-URI https://asc.fasb.org/1943274/2147480678/235-10-S99-4

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
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Reference 8: http://www.xbrl.org/2003/role/disclosureRef
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Reference 9: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
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Amount of valuation and qualifying accounts and reserves.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Amount of increase in valuation and qualifying accounts and reserves from charge to cost and expense.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Amount of decrease in valuation and qualifying accounts and reserves.

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