Income Taxes - Components of Deferred Tax Assets (Liabilities) (Details) - USD ($) $ in Thousands	Apr. 30, 2022	Apr. 24, 2021
Deferred tax assets:
Employee compensation and benefits	$ 9,352	$ 12,223
Inventory related items	9,985	12,250
Foreign deferred assets, net	11,812	9,510
Foreign tax credit	7,037	7,112
Lease liability	14,416	16,153
Accrued charitable contributions	6,559	0
Other accrued liabilities	6,642	7,331
Other	5,190	5,372
Gross deferred tax assets	70,993	69,951
Less: Valuation allowance	(18,615)	(15,960)
Total net deferred tax assets	52,378	53,991
Deferred tax liabilities
LIFO reserve	(20,965)	(25,913)
Amortizable intangibles	(52,952)	(61,023)
Goodwill	(15,727)	(13,902)
Property, plant, equipment	(38,175)	(39,454)
Lease right-of-use assets	(14,103)	(15,547)
Investments	(26,449)	(16,353)
Other	(3,401)	(5,590)
Total deferred tax liabilities	(171,772)	(177,782)
Deferred net long-term income tax liability	$ (119,394)	$ (123,791)