Restructuring Charges (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 01, 2023	Jul. 02, 2022	Jul. 01, 2023	Jul. 02, 2022
Restructuring Cost and Reserve [Line Items]
Beginning balance	$ 15.6	$ 8.2	$ 19.8	$ 6.9
Additional charges	6.7	9.5	10.2	13.1
Payments	(9.3)	(3.9)	(17.3)	(6.0)
Non-cash adjustments	0.4	(0.3)	0.7	(0.5)
Ending balance	13.4	$ 13.5	13.4	$ 13.5
Supply Chain Reinvention
Restructuring Cost and Reserve [Line Items]
Beginning balance	0.4		2.2
Additional charges	1.4		3.9
Payments	(1.8)		(6.1)
Non-cash adjustments	0.0		0.0
Ending balance	0.0		0.0
HRA Pharma Integration
Restructuring Cost and Reserve [Line Items]
Beginning balance	11.8		13.3
Additional charges	1.2		2.1
Payments	(3.5)		(6.1)
Non-cash adjustments	0.1		0.3
Ending balance	9.6		9.6
Other Initiatives
Restructuring Cost and Reserve [Line Items]
Beginning balance	3.4		4.3
Additional charges	4.1		4.2
Payments	(4.0)		(5.1)
Non-cash adjustments	0.3		0.4
Ending balance	$ 3.8		$ 3.8