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Transactions with Related Parties (Narrative) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands | 1 Months Ended | 12 Months Ended
--- | --- | ---
Jan. 01, 2021 | Jan. 01, 2021 | Dec. 27, 2019 | Dec. 28, 2018
Related Party Transaction [Line Items] |  |  |  |
Total cost |  | $ 2,367 | $ 5,283 | $ 1,204
Director [Member] |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Repurchase of common stock | 24 | 37 | 28 |
Total cost | $ 400 | $ 700 | $ 500 |
Purchase price per share | $ 16.05 | $ 17.43 | $ 16.25 |

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