Summary Of Significant Accounting Policies (Schedule of Finite-Lived and Indefinite-Lived Intangible Assets) (Details) - USD ($) $ in Thousands	Dec. 28, 2019	Dec. 29, 2018
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Accumulated Amortization	$ 2,888	$ 4,975
Intangible Assets, Gross (Excluding Goodwill)	19,988	26,096
Intangible Assets, Net (Excluding Goodwill)	17,100	21,121
Liquor Licenses [Member]
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Indefinite-lived Intangible Assets (Excluding Goodwill)	14,905	14,226
Asset Acquisitions And Other [Member]
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	5,083	11,870
Finite-Lived Intangible Assets, Accumulated Amortization	2,888	4,975
Finite-Lived Intangible Assets, Net	$ 2,195	$ 6,895