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Consolidated Statement of Stockholders' Equity (Parenthetical) - $ / shares
3 Months Ended 12 Months Ended
Mar. 31, 2020
Dec. 31, 2019
Sep. 24, 2019
Jun. 25, 2019
Mar. 26, 2019
Dec. 29, 2020
Dec. 31, 2019
Dec. 25, 2018
Consolidated Statement of Stockholders' Equity                
Dividends declared (in dollars per share) $ 0.36 $ 0.30 $ 0.30 $ 0.30 $ 0.30 $ 0.36 $ 1.20 $ 1.00