The percentage of the warranty liability that relates to the reportable segment.

No definition available.

Name:	lzb_ProductWarrantyLiabilityPercentageRelatedToSegment
Namespace Prefix:	lzb_
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Balance Type:	na
Period Type:	duration

- Definition

The period between issuance and expiration of product warranties.

+ References

No definition available.

+ Details

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Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

+ Details

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

- 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.

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.15(5))
-URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph (c)(1)
-URI https://asc.fasb.org/extlink&oid=126907703&loc=d3e12565-110249

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph (c)(5)
-URI https://asc.fasb.org/extlink&oid=126907703&loc=d3e12565-110249

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of decrease in the standard and extended product warranty accrual from payments made in cash or in kind to satisfy claims under the terms of the standard and extended product warranty.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph ((c)(2))
-URI https://asc.fasb.org/extlink&oid=126907703&loc=d3e12565-110249

+ Details

Name:	us-gaap_ProductWarrantyAccrualPayments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of increase in the standard and extended product warranty accrual from warranties issued.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph ((c)(3))
-URI https://asc.fasb.org/extlink&oid=126907703&loc=d3e12565-110249

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount as of the balance sheet date of the aggregate standard product warranty liability that is expected to be paid within one year or the normal operating cycle, if longer. Does not include the balance for the extended product warranty liability.

+ References

No definition available.

+ Details

Name:	us-gaap_StandardProductWarrantyAccrualCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

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Data Type:	na
Balance Type:
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- Details

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Data Type:	na
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Period Type:

- Details

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Data Type:	na
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- Details

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- Details

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- Details

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Namespace Prefix:
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Product Warranties (Details) - USD ($) $ in Thousands	3 Months Ended
Product Warranties (Details) - USD ($) $ in Thousands	Jul. 30, 2022	Jul. 24, 2021	Apr. 30, 2022
Reconciliation of changes in product warranty liability
Balance as of the beginning of the period	$ 27,036	$ 23,636
Accruals during the period	7,826	7,214
Settlements during the period	(7,346)	(6,417)
Balance as of the end of the period	27,516	$ 24,433
Product warranty liability accrued	$ 17,100		$ 16,400
Minimum \| Wholesale Segment
Product Warranties
Percentage of warranty liability relating to the segment	90.00%
Fabric and leather \| Minimum \| Wholesale Segment
Product Warranties
Warranty term (in years)	1 year
Fabric and leather \| Maximum \| Wholesale Segment
Product Warranties
Warranty term (in years)	3 years
Cushions and padding \| Minimum \| Wholesale Segment
Product Warranties
Warranty term (in years)	1 year
Cushions and padding \| Maximum \| Wholesale Segment
Product Warranties
Warranty term (in years)	10 years
Labor costs relating to parts \| Wholesale Segment
Product Warranties
Warranty term (in years)	1 year