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Leases (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Apr. 29, 2023	Apr. 30, 2022	May 01, 2021
Lessor, Lease, Description [Line Items]
Operating lease, weighted average remaining lease term	2 years 10 months 24 days	3 years 7 months 6 days
Operating lease, weighted average discount rate, percent	2.70%	2.40%
Cost of sales
Lessor, Lease, Description [Line Items]
Operating lease, cost	$ 2,560	$ 2,425	$ 2,241
Operating expense
Lessor, Lease, Description [Line Items]
Operating lease, cost	$ 906	$ 870	$ 977
Minimum
Lessor, Lease, Description [Line Items]
Lessee, operating lease, term of contract	1 year
Maximum
Lessor, Lease, Description [Line Items]
Lessee, operating lease, term of contract	5 years

X

- Definition

Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

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-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
-Publisher FASB
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- 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.

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- Definition

Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 842
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-Name Accounting Standards Codification
-Section 55
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- Definition

Weighted average discount rate for operating lease calculated at point in time.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition

Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 842
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