Net Income Per Share - Computation of Net Income Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jul. 03, 2022	Jun. 27, 2021	Jul. 03, 2022	Jun. 27, 2021
Earnings Per Share [Abstract]
Net income	$ 82.7	$ 82.9	$ 164.2	$ 155.4
Shares outstanding
Weighted average common shares outstanding (in shares)	133.9	134.8	134.1	134.7
Effect of dilutive stock awards (in shares)	0.1	0.5	0.2	0.6
Weighted average common shares outstanding and potential common shares (in shares)	134.0	135.3	134.3	135.3
Net income per share:
Basic (in dollars per share)	$ 0.62	$ 0.61	$ 1.22	$ 1.15
Diluted (in dollars per share)	$ 0.62	$ 0.61	$ 1.22	$ 1.15