Income Taxes - Summary of Effective Income Tax Expense Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
	Apr. 30, 2022	Apr. 24, 2021	Apr. 25, 2020
Income Tax Disclosure [Abstract]
Tax at U.S. statutory rate	$ 55,912	$ 41,984	$ (123,987)
State tax provision, net of federal benefit	9,176	5,400	(466)
Effect of foreign taxes	3,199	2,594	7,277
Goodwill impairment	0	0	107,999
Legal settlement	0	0	11,088
ESOP	(2,121)	(2,286)	(2,393)
Other permanent differences	944	808	1,533
Other	(2,570)	(3,678)	(2,091)
Income tax expense (benefit)	$ 64,540	$ 44,822	$ (1,040)