Trade Receivables and Other - Components of Trade and Other Receivables (Details) - USD ($) $ in Thousands	12 Months Ended
	Aug. 26, 2020	Aug. 28, 2019	Aug. 29, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]
Trade and other receivables	$ 4,037	$ 6,326
Franchise royalties and marketing and advertising receivables	957	1,040
Unbilled revenue	1,677	1,913
Allowance for doubtful accounts	(579)	(427)
Total Trade accounts and other receivables, net	6,092	8,852	$ 8,922
Write-offs	1,472	$ 0
Culinary contract services
Accounts, Notes, Loans and Financing Receivable [Line Items]
Write-offs	300
Fuddruckers franchise operations
Accounts, Notes, Loans and Financing Receivable [Line Items]
Write-offs	$ 400