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Summary Of Significant Accounting Policies (Schedule of Finite-Lived and Indefinite-Lived Intangible Assets) (Details) - USD ($) $ in Thousands | Dec. 29, 2018 | Dec. 30, 2017
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Finite-Lived and Indefinite-Lived Intangible Assets [Line Items] |  |
Finite-Lived Intangible Assets, Accumulated Amortization | $ 4,975 | $ 4,077
Intangible Assets, Gross (Excluding Goodwill) | 26,096 | 23,243
Intangible Assets, Net (Excluding Goodwill) | 21,121 | 19,166
Liquor Licenses [Member] |  |
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items] |  |
Indefinite-lived Intangible Assets (Excluding Goodwill) | 14,226 | 11,121
Lease Acquisitions [Member] |  |
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items] |  |
Finite-Lived Intangible Assets, Gross | 10,273 | 10,960
Finite-Lived Intangible Assets, Accumulated Amortization | 4,666 | 3,902
Finite-Lived Intangible Assets, Net | 5,607 | 7,058
Customer Lists [Member] |  |
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items] |  |
Finite-Lived Intangible Assets, Gross | 1,597 | 1,162
Finite-Lived Intangible Assets, Accumulated Amortization | 309 | 175
Finite-Lived Intangible Assets, Net | $ 1,288 | $ 987

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