Stockholders' Equity (Summary of Activity in Non-Controlling Interests) (Details) - USD ($) $ in Thousands		12 Months Ended
		Sep. 29, 2020		Sep. 24, 2019
Noncontrolling Interest [Line Items]
Balance at September 24, 2019		$ 1,522
Income attributable to non-controlling interests		1,122		$ 889
Net Distributions to unrelated limited partners		(1,373)	[1]	(1,817)
Balance at September 29, 2020		1,293		1,522
Bad Daddy's International, LLC [Member]
Noncontrolling Interest [Line Items]
Balance at September 24, 2019		1,190
Income attributable to non-controlling interests		493
Net Distributions to unrelated limited partners	[1]	(660)
Balance at September 29, 2020		1,023		1,190
Good Times Drive Thru Inc. [Member]
Noncontrolling Interest [Line Items]
Balance at September 24, 2019		332
Income attributable to non-controlling interests		629
Net Distributions to unrelated limited partners	[1]	(691)
Balance at September 29, 2020		$ 270		$ 332

[1] Includes $352,000 of distributions reflected on our consolidated balance sheet in other accrued liabilities at September 29, 2020.