Stockholders' Equity (Summary of Activity in Non-Controlling Interests) (Details) - USD ($) $ in Thousands		12 Months Ended
		Sep. 28, 2021		Sep. 29, 2020
Noncontrolling Interest [Line Items]
Balance at September 29, 2020		$ 1,293
Income attributable to non-controlling interests		1,613		$ 1,122
Contributions from unrelated limited partners		20		22
Distributions to unrelated limited partners		(1,802)	[1]	(1,373)
Balance at September 28, 2021		1,124		1,293
Bad Daddy's International, LLC [Member]
Noncontrolling Interest [Line Items]
Balance at September 29, 2020		1,023
Income attributable to non-controlling interests		822
Contributions from unrelated limited partners		20
Distributions to unrelated limited partners	[1]	(952)
Balance at September 28, 2021		913		1,023
Good Times Drive Thru Inc. [Member]
Noncontrolling Interest [Line Items]
Balance at September 29, 2020		270
Income attributable to non-controlling interests		791
Contributions from unrelated limited partners
Distributions to unrelated limited partners	[1]	(850)
Balance at September 28, 2021		$ 211		$ 270

[1] Includes $169,000 of distributions reflected on our consolidated balance sheet in other accrued liabilities at September 28, 2021.