Represents percentages of share based payment award that vests each year from the date of grant.

No definition available.

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Period Type:	duration

- Definition

Period from date of grant for first vesting of the award.

+ References

No definition available.

+ Details

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- Definition

For share-based compensation awards, this represents the common share equivalent per award share or unit.

+ References

No definition available.

+ Details

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

- Definition

Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

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Data Type:	xbrli:sharesItemType
Balance Type:	na
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- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Per share weighted average intrinsic value of equity-based compensation awards not vested. Excludes stock and unit options.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(i)-(ii)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- 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

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

- Details

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- Details

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Data Type:	na
Balance Type:
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- Details

Name:	us-gaap_TitleOfIndividualAxis=lzb_EmployeesMember
Namespace Prefix:
Data Type:	na
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Period Type:

- Details

Name:	us-gaap_TitleOfIndividualAxis=lzb_NonEmployeeDirectorsMember
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Stock-Based Compensation - Restricted Stock and RSUs (Details) - $ / shares	3 Months Ended		6 Months Ended
	Oct. 29, 2016	Jul. 30, 2016	Oct. 29, 2016
Restricted Stock
Stock-Based Compensation
Granted (in shares)		97,924
Granted (in dollars per share/unit)		$ 25.99
Percentage vesting each year from date of grant			25.00%
Period from grant date for first vesting			1 year
Vesting period			4 years
Restricted Stock Units \| Employees
Stock-Based Compensation
Fair value (in dollars per unit)	$ 23.25		$ 23.25
Award common share equivalent (in shares)	1		1
Percentage vesting each year from date of grant			25.00%
Period from grant date for first vesting			1 year
Vesting period			4 years
Restricted Stock Units \| Non-Employee Directors
Stock-Based Compensation
Granted (in shares)	23,624
Granted (in dollars per share/unit)	$ 27.10