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Consolidated Statements of Shareholders' Equity - Parenthetical - $ / shares
3 Months Ended
Mar. 28, 2018
Mar. 27, 2018
Nov. 24, 2018
Nov. 25, 2017
Common Stock        
Dividends declared (in dollars per share) $ 0.1125 $ 0.0375 $ 0.1125 $ 0.0375
Class B Common Stock        
Dividends declared (in dollars per share) $ 0.09 $ 0.03 $ 0.0900 $ 0.0300