Leases - Supplemental Balance Sheet (Details) - Discontinued Operations, Abandonment - USD ($) $ in Thousands	May 31, 2022	Aug. 25, 2021
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Liability for abandoned leases	$ 1,788	$ 3,037
Included in Operating lease liabilities
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Liability for abandoned leases	775	1,656
Included in Accrued expenses and other liabilities
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Liability for abandoned leases	$ 1,013	$ 1,381