Summary of Significant Accounting Policies - Additional Information (Details)	12 Months Ended
	Apr. 27, 2024 USD ($) reportingUnit Segment	Apr. 29, 2023 USD ($)	Apr. 30, 2022 USD ($)
Accounting Policies [Abstract]
Number of reportable segments | Segment	3
Maturity period of maximum (in days)	90 days
Inventories valued at LIFO as % of total inventories	81.00%	81.00%
Inventory, LIFO reserve	$ 154,055,000	$ 146,915,000
Property, Plant and Equipment [Line Items]
Number of reporting units | reportingUnit	2
Indefinite-lived intangible assets, impairment	$ 0	0	$ 0
Goodwill impairment	0	0	0
Amortization expense	11,651,000	9,068,000	7,267,000
Contract assets	1,373,000	1,338,000
Contract liabilities	37,399,000	36,850,000
Contract liability, revenue recognized	$ 33,454,000
Loyalty program, awards expiration period	1 year
Liability for percentage of maximum potential amount that could be redeemed	87.00%
Advertising expense	$ 3,124,000	6,888,000	$ 1,532,000
Deferred direct marketing expense, maximum amortization period	1 year
Deferred direct marketing costs	$ 0	$ 0
Building
Property, Plant and Equipment [Line Items]
Estimated useful lives	39 years
Computer Hardware And Software | Minimum
Property, Plant and Equipment [Line Items]
Estimated useful lives	3 years
Computer Hardware And Software | Maximum
Property, Plant and Equipment [Line Items]
Estimated useful lives	10 years
Office Furniture And Equipment | Minimum
Property, Plant and Equipment [Line Items]
Estimated useful lives	5 years
Office Furniture And Equipment | Maximum
Property, Plant and Equipment [Line Items]
Estimated useful lives	10 years