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Investments - Additional Information (Details)	Jul. 24, 2021 company
Investments, Debt and Equity Securities [Abstract]
Preferred share investments, number of privately-held companies	2

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- Definition

The number of privately-held companies in which the entity holds investments in preferred shares.

+ References

No definition available.

+ Details

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Namespace Prefix:	lzb_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

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- References

No definition available.

+ Details

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