Restructuring Charges - Schedule of Restructuring and Related Costs (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 30, 2024	Apr. 01, 2023
Restructuring Reserve [Roll Forward]
Beginning balance	$ 12.2	$ 19.8
Additional charges	44.3	3.4
Payments	(10.7)	(8.0)
Non-cash adjustments	(4.8)	0.4
Ending balance	41.0	15.6
Supply Chain Reinvention
Restructuring Reserve [Roll Forward]
Beginning balance	0.7	2.2
Additional charges	2.6	2.6
Payments	(2.4)	(4.4)
Non-cash adjustments	0.0	0.0
Ending balance	0.9	0.4
HRA Pharma Integration
Restructuring Reserve [Roll Forward]
Beginning balance	6.8	13.3
Additional charges	0.1	0.8
Payments	(0.3)	(2.6)
Non-cash adjustments	0.0	0.3
Ending balance	6.6	11.8
Project Energize
Restructuring Reserve [Roll Forward]
Beginning balance	2.9
Additional charges	41.4
Payments	(6.9)
Non-cash adjustments	(4.8)
Ending balance	32.6
Other Initiatives
Restructuring Reserve [Roll Forward]
Beginning balance	1.8	4.3
Additional charges	0.2	0.0
Payments	(1.1)	(1.0)
Non-cash adjustments	0.0	0.1
Ending balance	$ 0.9	$ 3.4