Stock-Based Compensation (Tables)

9 Months Ended

Sep. 25, 2020

Share-based Payment Arrangement [Abstract]

Schedule of Stock-Based Compensation Costs

The following summarizes the components of our stock-based compensation expense under the Stock Plan ($ in millions):

	Three Months Ended				Nine Months Ended
	September 25, 2020		September 27, 2019		September 25, 2020		September 27, 2019
Stock Awards:
Pretax compensation expense	$	13.2	$	11.1	$	37.1	$	29.0
Income tax benefit	(2.2)		(2.3)		(6.4)		(6.1)
Stock Award expense, net of income taxes	11.0		8.8		30.7		22.9
Stock options:
Pretax compensation expense	8.2		5.6		23.1		16.5
Income tax benefit	(1.4)		(1.2)		(3.7)		(3.5)
Stock option expense, net of income taxes	6.8		4.4		19.4		13.0
Total stock-based compensation:
Pretax compensation expense	21.4		16.7		60.2		45.5
Income tax benefit	(3.6)		(3.5)		(10.1)		(9.6)
Total stock-based compensation expense, net of income taxes	$	17.8	$	13.2	$	50.1	$	35.9

Schedule of Future Compensation

Future compensation amounts will be adjusted for any changes in estimated forfeitures ($ in millions):

Stock Awards	$	71.5
Stock options	90.6
Total unrecognized compensation cost	$	162.1