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Allowance for Doubtful Accounts - Narrative (Detail) - USD ($) $ in Thousands	Nov. 01, 2020	May 03, 2020	Nov. 03, 2019	Apr. 28, 2019
Allowance for doubtful accounts [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Allowance for doubtful accounts	$ 595	$ 472	$ 366	$ 393

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- References

No definition available.

+ Details

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Namespace Prefix:	srt_
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Balance Type:	na
Period Type:	duration

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- Definition

Amount of valuation and qualifying accounts and reserves.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 4
-Subparagraph (SX 210.12-09(Column B))
-URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 4
-Subparagraph (SX 210.12-09(Column E))
-URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690

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Balance Type:	credit
Period Type:	instant

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- Details

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Namespace Prefix:
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Balance Type:
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