Correction of Errors in Previously Reported Fiscal Year 2022 and 2021 Annual Financial Statements - Income Tax Rate Reconciliation (Details) - USD ($) $ in Thousands	3 Months Ended									6 Months Ended	12 Months Ended
	Feb. 26, 2023	Nov. 27, 2022	Aug. 28, 2022	Feb. 27, 2022	Nov. 28, 2021	Aug. 29, 2021	Feb. 28, 2021	Nov. 29, 2020	Aug. 30, 2020	Nov. 27, 2022	May 28, 2023	May 29, 2022	May 30, 2021
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Tax at U.S. statutory rate											$ (13,932)	$ (4,344)	$ (6,256)
State income taxes, net of federal benefit											(1,805)	(638)	(830)
Change in valuation allowance											19,461	(1,065)	2,597
Tax credit carryforwards											(611)	(436)	(606)
Other compensation-related activity											283	234	249
Impairment of goodwill											0	2,347	0
Foreign rate differential											(2,749)	(496)	(1,414)
Other											(339)	(813)	(90)
Income tax provision (benefit)	$ 70	$ 4	$ 4	$ 3,389	$ (6,275)	$ (1,807)	$ (1,530)	$ (1,528)	$ (3,788)	$ 8	$ 308	(5,211)	(6,350)
Discontinued Operations
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Tax at U.S. statutory rate												(10,492)	(398)
State income taxes, net of federal benefit												(1,601)	(54)
Change in valuation allowance												11,833	0
Tax credit carryforwards												0	0
Other compensation-related activity												0	0
Impairment of goodwill												0
Foreign rate differential												0	0
Other												(187)	0
Income tax provision (benefit)	$ 0	$ 0	$ 0	$ (1,462)	$ 1,043	$ 289				$ 0		(447)	(452)
As Reported
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Tax at U.S. statutory rate												(14,548)	(2,409)
State income taxes, net of federal benefit												(2,195)	(304)
Change in valuation allowance												10,134	2,667
Tax credit carryforwards												(436)	(606)
Other compensation-related activity												234	249
Impairment of goodwill												2,347
Foreign rate differential												(496)	(1,414)
Other												(985)	(86)
Income tax provision (benefit)												(5,945)	(1,903)
Restatement
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Tax at U.S. statutory rate												(288)	(4,245)
State income taxes, net of federal benefit												(44)	(580)
Change in valuation allowance												634	(70)
Tax credit carryforwards												0	0
Other compensation-related activity												0	0
Impairment of goodwill												0
Foreign rate differential												0	0
Other												(15)	(4)
Income tax provision (benefit)												287	(4,899)
As Restated
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Tax at U.S. statutory rate												(14,836)	(6,654)
State income taxes, net of federal benefit												(2,239)	(884)
Change in valuation allowance												10,768	2,597
Tax credit carryforwards												(436)	(606)
Other compensation-related activity												234	249
Impairment of goodwill												2,347
Foreign rate differential												(496)	(1,414)
Other												(1,000)	(90)
Income tax provision (benefit)												$ (5,658)	$ (6,802)