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Consolidated Statements of Equity (Parenthetical) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 27, 2020 | Dec. 29, 2019 | Dec. 30, 2018
ASU 2016-13 (Topic 326) [Member] |  |  |
Cumulative impact tax | $ 2 |  |
ASU 2016-02 (Topic 842) [Member] |  |  |
Cumulative impact tax |  | $ 196 |
ASU 2014-09 (Topic 606) [Member] |  |  |
Cumulative impact tax |  |  | $ 250

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