Fair Values of Financial Instruments (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Apr. 27, 2024	Jan. 27, 2024	Oct. 28, 2023	Jul. 29, 2023	Apr. 29, 2023	Jan. 28, 2023	Oct. 29, 2022	Jul. 30, 2022	Apr. 27, 2024	Apr. 29, 2023
Other Nonrecurring Expense	$ 1,368	$ 5,798	$ 0	$ 0	$ 0	$ 6,008	$ 0	$ 0	$ 7,166	$ 6,008
other nonrecurring expense net of tax									7,166	6,008
Impaired Assets to be Disposed of by Method Other than Sale, Carrying Value of Asset	12,364				7,313				12,364	7,313
Property, Plant, and Equipment, Fair Value Disclosure	55				0				55	0
OperatingLeaseRightOfUseAssetfairvalue	4,444				1,305				4,444	1,305
Finite-lived Intangible Assets, Fair Value Disclosure	699				0				699	0
Other Assets, Fair Value Disclosure	0				0				0	0
Fair Value, Net Asset (Liability)	5,198				1,305				5,198	1,305
Phantom Share Units (PSUs)
Other Deferred Compensation Arrangements, Liability, Current and Noncurrent	8				777				8	777
Other Deferred Compensation Arrangements, Liability, Current					734					734
Other Deferred Compensation Arrangements, Liability, Classified, Noncurrent					42					42
Property, Plant and Equipment [Member]
Other Nonrecurring Expense									405	708
Impaired Assets to be Disposed of by Method Other than Sale, Carrying Value of Asset	460				708				460	708
Property Subject to Operating Lease
Other Nonrecurring Expense									3,600	1,697
Impaired Assets to be Disposed of by Method Other than Sale, Carrying Value of Asset	8,044				3,002				8,044	3,002
Other Intangible Assets [Member]
Other Nonrecurring Expense									3,161	3,599
Impaired Assets to be Disposed of by Method Other than Sale, Carrying Value of Asset	3,860				3,599				3,860	3,599
Other Noncurrent Assets [Member]
Other Nonrecurring Expense									0	4
Impaired Assets to be Disposed of by Method Other than Sale, Carrying Value of Asset	$ 0				$ 4				$ 0	$ 4