Segment and Related Information, Reconciliation of Income from Operations (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 03, 2021	Sep. 27, 2020	Oct. 03, 2021	Sep. 27, 2020
Segment and Related Information [Abstract]
Income from operations	$ 60.6	$ 48.5	$ 183.1	$ 133.4
Acquisition-related expenses	(1.5)	0.0	(1.9)	0.0
Litigation expenses	0.0	(1.5)	0.0	(10.4)
Non-operating deductions, net	(10.1)	(12.7)	(30.9)	(34.0)
Income from operations before tax and equity in earnings	50.5	35.8	152.2	99.4
Reportable Segments [Member]
Segment and Related Information [Abstract]
Income from operations	62.5	52.1	191.8	148.2
Reconciling Item [Member]
Segment and Related Information [Abstract]
Acquisition-related expenses	(0.9)	0.0	(1.3)	0.0
Litigation expenses	0.0	(1.5)	0.0	(10.4)
Unallocated and Other Corporate Expenses [Member]
Segment and Related Information [Abstract]
Income from operations	$ (1.0)	$ (2.1)	$ (7.4)	$ (4.4)