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Investments - Additional Information (Details) | Jan. 23, 2021 company
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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
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Namespace Prefix: | us-gaap_
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