Stock Options, Other Stock Awards and Warrants - Activities of Stock Performance Awards and Restricted Stock Units (Details) - $ / shares shares in Millions	12 Months Ended
	Dec. 25, 2022	Dec. 26, 2021	Dec. 27, 2020
Stock performance awards
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Outstanding at beginning of year (in shares)	0.7	0.6	0.5
Granted (in shares)	0.4	0.2	0.4
Forfeited (in shares)	(0.1)	0.0	(0.1)
Canceled (in shares)	0.0	(0.1)	(0.2)
Vested (in shares)	(0.2)	0.0	0.0
Outstanding at end of year (in shares)	0.8	0.7	0.6
Weighted average grant-date fair value:
Granted (in dollars per share)	$ 88.77	$ 96.06	$ 56.49
Forfeited (in dollars per share)	80.77	0	80.31
Canceled (in dollars per share)	0	77.33	88.25
Vested (in dollars per share)	86.90	0	99.58
Outstanding at end of year (in dollars per share)	$ 78.15	$ 75.74	$ 69.25
Restricted stock units (RSUs)
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Outstanding at beginning of year (in shares)	1.1	1.0	0.5
Granted (in shares)	0.7	0.7	0.8
Forfeited (in shares)	(0.1)	(0.1)	(0.1)
Vested (in shares)	(0.5)	(0.5)	(0.2)
Outstanding at end of year (in shares)	1.2	1.1	1.0
Weighted average grant-date fair value:
Granted (in dollars per share)	$ 86.41	$ 91.06	$ 91.80
Forfeited (in dollars per share)	91.18	85.88	94.01
Vested (in dollars per share)	91.33	91.42	94.21
Outstanding at end of year (in dollars per share)	$ 88.85	$ 91.78	$ 91.56