Impairment of Long-Lived Assets, Store Closings, Discontinued Operations and Property Held for Sale - Assets and Liabilities for All Discontinued Operations (Details) $ in Thousands	Aug. 26, 2020 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Assets related to discontinued operations—non-current	$ 1,715
Liabilities related to discontinued operations—current	17
Discontinued Operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Property and equipment	1,715
Assets related to discontinued operations—non-current	1,715
Accrued expenses and other liabilities	17
Liabilities related to discontinued operations—current	$ 17