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

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- Definition

Typical maximum deductible on various excess loss coverages, including auto, product, employee-related health care and workers' compensation liabilities.

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The number of geographic regions within an operating segment segment.

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- Definition

The percentage of the cost of a shared advertising program for which the entity is reimbursed.

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No definition available.

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Tax Cuts and Jobs Act, Payroll Tax Credit

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Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

The amount by which the fair value of an investment is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income.

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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.

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No definition available.

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Number of reporting units tested for impairment of goodwill. A reporting unit is an operating segment or one level below an operating segment.

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No definition available.

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- Definition

The percentage of LIFO (last in first out) inventory to total inventory as of the balance sheet date if other than 100 percent.

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No definition available.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.

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Accounting Policies (Details) $ in Millions	3 Months Ended	12 Months Ended
Accounting Policies (Details) $ in Millions	Jan. 23, 2021 USD ($)	Apr. 24, 2021 USD ($) company geographic_region reporting_unit	Apr. 25, 2020 USD ($)	Apr. 27, 2019 USD ($)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
LIFO inventories (as a percent)		61.00%	62.00%
Research and development costs		$ 7.6	$ 10.8	$ 9.1
Advertising expenses		$ 94.6	108.3	$ 106.4
Reimbursement for cost of program (as a percent)		30.00%
Deductibles for employee-related health care benefits, vehicle liability, product liability, and workers' compensation liabilities		$ 2.0
Other income (expense)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Payroll tax credits, CARES Act	$ (5.2)
Impairment of investment in privately-held company			$ 6.0
Variable Interest Entity, Not Primary Beneficiary
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Preferred share investments, number of privately-held companies \| company		2
Minimum
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Depreciable life		3 years
Maximum
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Depreciable life		7 years
Retail
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Number of geographic regions \| geographic_region		3
Number of reporting units \| reporting_unit		1
La-Z-Boy Wholesale Business in United Kingdom and Ireland \| Maximum
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Finite-lived intangible asset, useful life		15 years
Joybird
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Finite-lived intangible asset, useful life		8 years