Net Income Per Common Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Mar. 29, 2025	Mar. 30, 2024
Net Income Per Common Share
Net income	$ 166.3	$ 172.4
Weighted average number of common shares outstanding (in shares)	79.2	80.5
Dilutive shares (additional common shares issuable under stock-based awards) (in shares)	0.2	0.5
Weighted average number of common shares outstanding, assuming dilution (in shares)	79.4	81.0
Net income per common share (in dollars per share)	$ 2.10	$ 2.14
Net income per common share, assuming dilution (in dollars per share)	$ 2.09	$ 2.13
Antidilutive securities excluded from computation of earnings per share (in shares)	0.1	0.1