Income Taxes - Income Tax Assets and Liabilities for Continuing and Discontinued Operations (Details) - USD ($) $ in Thousands	May 31, 2022	Aug. 25, 2021
Deferred income tax assets:
Workers’ compensation, employee injury, and general liability claims	$ 219	$ 402
Deferred compensation	0	80
Net operating losses	36	10,603
General business and foreign tax credits	10,823	12,105
Depreciation, amortization and impairments	2,772	2,291
Interest expense	0	1,953
Lease liabilities	987	1,551
Straight-line rent, dining cards, accruals, and other	395	416
Subtotal	15,232	29,401
Valuation allowance	(14,985)	(28,506)
Total deferred income tax assets	247	895
Deferred income tax liabilities:
Property taxes and other	763	680
Lease assets	588	924
Total deferred income tax liabilities	1,351	1,604
Total deferred income tax liabilities	$ (1,104)	$ (709)