Income Taxes - Components of Deferred Tax Assets (Liabilities) (Details) - USD ($) $ in Thousands	Apr. 27, 2024	Apr. 29, 2023
Deferred tax assets:
Employee compensation and benefits	$ 7,674	$ 7,519
Inventory related items	7,645	8,228
Foreign intangibles and goodwill	11,767	11,420
Foreign tax credit	7,003	7,003
Lease liability	29,587	19,808
Accrued charitable contributions	427	902
Capitalized research and experimentation costs	12,020	5,172
Other accrued liabilities	6,498	7,744
Other	8,329	7,270
Gross deferred tax assets	90,950	75,066
Less: Valuation allowance	(18,620)	(18,276)
Total net deferred tax assets	72,330	56,790
Deferred tax liabilities
LIFO reserve	(29,593)	(26,010)
Amortizable intangibles	(36,923)	(45,042)
Goodwill	(18,098)	(17,094)
Property, plant, equipment	(32,457)	(36,488)
Lease right-of-use assets	(29,048)	(19,361)
Investments	(26,662)	(26,959)
Other	(4,070)	(3,557)
Total deferred tax liabilities	(176,851)	(174,511)
Deferred net long-term income tax liability	$ (104,521)	$ (117,721)