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Description of Business and Summary of Significant Accounting Policies (Details)	12 Months Ended
	May 02, 2020	Apr. 27, 2019	Apr. 28, 2018
Organization Consolidation And Presentation Of Financial Statements [Abstract]
Fiscal period duration	371 days	364 days	364 days

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- Definition

Duration of a fiscal period, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Includes, but not limited to, weeks in a year or quarter.

+ References

No definition available.

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Balance Type:	na
Period Type:	duration

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- References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration