Acquisitions (Details) $ in Thousands											12 Months Ended
	Apr. 08, 2024 USD ($) store	Dec. 11, 2023 USD ($) center store	Oct. 23, 2023 USD ($) store center	Jul. 17, 2023 USD ($) store center	Mar. 20, 2023 USD ($) center store	Sep. 26, 2022 USD ($) center store	Jul. 18, 2022 USD ($) center store	Dec. 06, 2021 USD ($) store	Oct. 25, 2021 USD ($)	Aug. 16, 2021 USD ($) store	Apr. 27, 2024 USD ($)	Apr. 29, 2023 USD ($)	Apr. 30, 2022 USD ($)	Dec. 12, 2022 store
Business Acquisition [Line Items]
Indefinite-lived intangible assets acquired											$ 8,924	$ 6,562
Goodwill											214,453	205,008	$ 194,604
Total cash paid											39,440	16,835	26,323
Retail
Business Acquisition [Line Items]
Goodwill											$ 138,922	$ 129,360	$ 118,951
Independently-owned Business
Business Acquisition [Line Items]
Indefinite-lived intangible assets acquired								$ 4,100
Consideration transferred								8,300
Total cash paid								8,000
Independently-owned Business | Retail
Business Acquisition [Line Items]
Goodwill								$ 7,400
Furnico | Retail
Business Acquisition [Line Items]
Goodwill									$ 9,200
Baton Rouge, Louisiana | Independently-owned Business
Business Acquisition [Line Items]
Indefinite-lived intangible assets and goodwill assets, useful life (in years)											15 years
Number of stores acquired | store					1
Total fair value of consideration					$ 5,000
Payments to acquire businesses					4,900
Indefinite-lived intangible assets acquired					$ 500
Number of distribution center acquired | center					1
Bradenton and Sarasota, Florida | Independently-owned Business
Business Acquisition [Line Items]
Number of stores acquired | store	2
Total fair value of consideration	$ 15,700
Payments to acquire businesses	14,300
Indefinite-lived intangible assets acquired	1,900
Bradenton and Sarasota, Florida | Independently-owned Business | Retail
Business Acquisition [Line Items]
Goodwill	$ 4,700
Illinois And Indiana | Independently-owned Business
Business Acquisition [Line Items]
Number of stores acquired | store		6
Total fair value of consideration		$ 18,400
Payments to acquire businesses		17,000
Indefinite-lived intangible assets acquired		$ 4,200
Number of distribution center acquired | center		1
Purchase of buildings and land, number of stores | store		5
Illinois And Indiana | Independently-owned Business | Retail
Business Acquisition [Line Items]
Goodwill		$ 600
Lafayette, Louisiana | Independently-owned Business
Business Acquisition [Line Items]
Number of stores acquired | store			1
Total fair value of consideration			$ 2,800
Payments to acquire businesses			2,600
Indefinite-lived intangible assets acquired			$ 700
Number of distribution center acquired | center			1
Lafayette, Louisiana | Independently-owned Business | Retail
Business Acquisition [Line Items]
Goodwill			$ 2,100
Colorado Springs, Colorado | Independently-owned Business
Business Acquisition [Line Items]
Number of stores acquired | store				2
Total fair value of consideration				$ 6,000
Payments to acquire businesses				5,600
Indefinite-lived intangible assets acquired				$ 2,100
Number of distribution center acquired | center				1
Colorado Springs, Colorado | Independently-owned Business | Retail
Business Acquisition [Line Items]
Goodwill				$ 2,200
Barboursville, West Virginia | Independently-owned Business
Business Acquisition [Line Items]
Number of stores acquired | store														1
Spokane, Washington | Independently-owned Business
Business Acquisition [Line Items]
Number of stores acquired | store						1
Total fair value of consideration						$ 4,700
Payments to acquire businesses						4,000
Indefinite-lived intangible assets acquired						$ 1,200
Number of distribution center acquired | center						1
Spokane, Washington | Independently-owned Business | Retail
Business Acquisition [Line Items]
Goodwill						$ 3,000
Denver, Colorado | Independently-owned Business
Business Acquisition [Line Items]
Number of stores acquired | store							5
Total fair value of consideration							$ 10,100
Payments to acquire businesses							7,700
Indefinite-lived intangible assets acquired							$ 4,300
Number of distribution center acquired | center							1
Denver, Colorado | Independently-owned Business | Retail
Business Acquisition [Line Items]
Goodwill							$ 7,600
ALABAMA | Independently-owned Business
Business Acquisition [Line Items]
Number of stores acquired | store								4
Chattanooga Tennessee | Independently-owned Business
Business Acquisition [Line Items]
Number of stores acquired | store								1
UNITED KINGDOM | Furnico
Business Acquisition [Line Items]
Total fair value of consideration									13,300
Payments to acquire businesses									$ 13,900
Long Island, New York | Independently-owned Business
Business Acquisition [Line Items]
Number of stores acquired | store										3
Total fair value of consideration										$ 4,500
Payments to acquire businesses										4,400
Indefinite-lived intangible assets acquired										800
Long Island, New York | Independently-owned Business | Retail
Business Acquisition [Line Items]
Goodwill										$ 4,400