Income Taxes - Income Tax Assets and Liabilities for Continuing and Discontinued Operations (Details) - USD ($) $ in Thousands	Aug. 25, 2021	Aug. 26, 2020
Deferred income tax assets:
Workers’ compensation, employee injury, and general liability claims	$ 402	$ 562
Deferred compensation	80	162
Net operating losses	10,603	9,916
General business and foreign tax credits	12,105	12,105
Depreciation, amortization and impairments	2,291	3,125
Interest expense	1,953	1,886
Lease liabilities	1,551	4,731
Straight-line rent, dining cards, accruals, and other	416	1,413
Subtotal	29,401	33,900
Valuation allowance	(28,506)	(29,478)
Total deferred income tax assets	895	4,422
Deferred income tax liabilities:
Property taxes and other	680	769
Lease assets	924	3,653
Total deferred income tax liabilities	1,604	4,422
Total deferred income tax liabilities	$ (709)	$ 0