Acquisitions (Details) $ in Thousands				12 Months Ended
	Sep. 14, 2020 USD ($) warehouse store	Sep. 30, 2018 USD ($)	Jul. 30, 2018 USD ($)	Apr. 24, 2021 USD ($)	Apr. 25, 2020 USD ($)	Apr. 27, 2019 USD ($)
Business Acquisition [Line Items]
Acquisitions, Indefinite-Lived				$ 2,182
Goodwill				175,814	$ 161,017	$ 185,867
Holdback payments for acquisition purchases				$ 5,783	6,850	875
Retail
Business Acquisition [Line Items]
Total fair value of consideration		$ 42,800
Payments to acquire businesses		38,900
Consideration transferred, other		2,600
Consideration transferred, liabilities incurred for guaranteed payments		$ 1,300
Joybird
Business Acquisition [Line Items]
Payments to acquire businesses			$ 37,500
Working capital adjustment			(2,500)
Liabilities assumed			5,000
Guaranteed cash payments			75,000
Prepaid compensation			7,500
Remaining consideration to be paid in annual installments			25,000
Annual installment payment due on the anniversary date of the acquisition			5,000
Consideration transferred, liabilities incurred for contingent consideration			7,500
Finite-lived intangible asset, useful life				8 years
Undiscounted range of contingent consideration, low			0
Undiscounted range of contingent consideration, high			$ 65,000
Period to pay liabilities assumed in acquisition			2 years
Joybird | Finite-Lived Trade Name
Business Acquisition [Line Items]
Finite-lived intangibles			$ 6,400
Finite-lived intangible asset, useful life			8 years
Independently-owned Business | Seattle, Washington
Business Acquisition [Line Items]
Number of stores acquired | store	6
Number of warehouses acquired | warehouse	1
Consideration transferred	$ 13,500
Payments for asset acquisitions	2,000
Guaranteed future payments for asset acquisitions	9,400
Acquisitions, Indefinite-Lived	$ 2,200
Amortization period for tax purposes	15 years
Retail
Business Acquisition [Line Items]
Goodwill				$ 107,316	$ 93,941	$ 94,103
Retail | Independently-owned Business | Seattle, Washington
Business Acquisition [Line Items]
Goodwill	$ 12,900