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Stock-Based Compensation, Restricted Shares and RSUs (Details) (USD $) | 3 Months Ended
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Jul. 26, 2014
Restricted Stock [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Granted (in shares) | 92,161
Fair value on date of grant (in dollars per share) | $ 23.63
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 (RSUs) [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Fair value (in dollars per share) | $ 21.63
Award common share equivalent (in shares) | 1
Percentage vesting each year from date of grant | 25.00%
Period from grant date for first vesting | 1 year
Vesting period | 4 years

X
- Definition Represents percentages of share based payment award that vests each year from the date of grant. + References No definition available. + Details
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Balance Type: | na
Period Type: | duration

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- Definition Period from date of grant for first vesting of the award. + References No definition available. + Details
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Namespace Prefix: | lzb_
Data Type: | xbrli:durationItemType
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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
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X
- 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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- 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
Period Type: | duration

X
- 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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Balance Type: | na
Period Type: | duration

X
- 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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Period Type: | instant

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- Details
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