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Stock Options, Other Stock Awards and Warrants - Stock Performance Awards (Details) - $ / shares
shares in Thousands
12 Months Ended
Dec. 27, 2020
Dec. 29, 2019
Dec. 30, 2018
Dec. 28, 2014
Dec. 29, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Canceled (in shares) (184) (146) 0    
Weighted average grant-date fair value:          
Canceled (in dollars per share) $ 88.25 $ 99.58 $ 0    
Stock performance awards          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Outstanding at beginning of year (in shares) 471 633 900    
Granted (in shares) 352 281 250    
Forfeited (in shares) (48) (58) (49)    
Vested (in shares) (5) (239) (468)    
Outstanding at end of year (in shares) 586 471 633    
Weighted average grant-date fair value:          
Granted (in dollars per share) $ 56.49 $ 86.90 $ 88.18    
Forfeited (in dollars per share) 80.31 92.90 86.27    
Vested (in dollars per share) 99.58 74.72 61.86    
Outstanding at end of year (in dollars per share) $ 69.25 $ 87.59 $ 86.58    
Restricted stock units (RSUs)          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Outstanding at beginning of year (in shares) 451 434 636    
Granted (in shares) 841 259 257    
Forfeited (in shares) (51) (44) (40)    
Vested (in shares) (196) (198) (419)    
Outstanding at end of year (in shares) 1,045 451 434    
Weighted average grant-date fair value:          
Granted (in dollars per share) $ 91.80 $ 87.98 $ 97.45    
Forfeited (in dollars per share) 94.01 92.56 93.45    
Vested (in dollars per share) 94.21 90.23 67.34    
Outstanding at end of year (in dollars per share) $ 91.56 $ 92.54 $ 94.22    
Chief executive officer | Restricted stock units (RSUs)          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Shares prescribed by employment agreement (in shares)       587 587