Employee Benefits - Total Costs Associated with Plans (Details) - USD ($) $ in Thousands	12 Months Ended
	Apr. 29, 2023	Apr. 30, 2022	Apr. 24, 2021
401(k) Retirement Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Labor and related expense	$ 12,877	$ 11,763	$ 7,313
Performance Compensation Retirement Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Labor and related expense	160	1,654	3,810
Deferred Compensation Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Labor and related expense	202	242	24
Non-Qualified Defined Benefit Retirement Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Labor and related expense	$ 748	$ 763	$ 803