Stock-Based Compensation (Tables)

6 Months Ended

Jun. 26, 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				Six Months Ended
	June 26, 2020		June 28, 2019		June 26, 2020		June 28, 2019
Stock Awards:
Pretax compensation expense	$	13.8	$	10.1	$	23.9	$	17.9
Income tax benefit	(2.3)		(2.1)		(4.2)		(3.8)
Stock Award expense, net of income taxes	11.5		8.0		19.7		14.1
Stock options:
Pretax compensation expense	8.9		5.8		14.9		10.9
Income tax benefit	(1.5)		(1.2)		(2.3)		(2.3)
Stock option expense, net of income taxes	7.4		4.6		12.6		8.6
Total stock-based compensation:
Pretax compensation expense	22.7		15.9		38.8		28.8
Income tax benefit	(3.8)		(3.3)		(6.5)		(6.1)
Total stock-based compensation expense, net of income taxes	$	18.9	$	12.6	$	32.3	$	22.7

Schedule of Future Compensation

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

Stock Awards	$	80.7
Stock options	104.8
Total unrecognized compensation cost	$	185.5