Trade Receivables and Other - Changes in Allowances for Doubtful Accounts (Details) - USD ($) $ in Thousands	12 Months Ended
	Aug. 26, 2020	Aug. 28, 2019
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	$ 427	$ 231
Provision for doubtful accounts	1,624	196
Write-offs	1,472	0
Ending balance	579	$ 427
Culinary contract services
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Write-offs	300
Fuddruckers franchise operations
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Write-offs	400
Trade Accounts Receivable
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Write-offs	800
Former Tenant Accounts
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Write-offs	$ 400