RESTRUCTURING CHARGES - Schedule of Restructuring Activity (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Restructuring Reserve [Roll Forward]
Beginning balance	$ 12.2	$ 19.8	$ 6.9
Additional charges	110.1	42.2	42.5
Payments	(78.8)	(33.4)	(29.8)
Non-cash adjustments	(10.7)	(16.4)	0.2
Ending balance	32.8	12.2	19.8
Supply Chain Reinvention
Restructuring Reserve [Roll Forward]
Beginning balance	0.7	2.2	0.0
Additional charges	14.5	28.0	24.3
Payments	(12.6)	(13.4)	(22.1)
Non-cash adjustments	(0.3)	(16.1)	0.0
Ending balance	2.3	0.7	2.2
HRA Pharma Integration
Restructuring Reserve [Roll Forward]
Beginning balance	6.8	13.3
Additional charges	0.0	4.2
Payments	(5.2)	(10.9)
Non-cash adjustments	0.0	0.2
Ending balance	1.6	6.8	13.3
Project Energize
Restructuring Reserve [Roll Forward]
Beginning balance	2.9	0.0
Additional charges	95.2	7.4
Payments	(59.7)	(4.5)
Non-cash adjustments	(10.5)	0.0
Ending balance	27.9	2.9	0.0
Other Initiatives
Restructuring Reserve [Roll Forward]
Beginning balance	1.8	4.3
Additional charges	0.4	2.6
Payments	(1.3)	(4.6)
Non-cash adjustments	0.1	(0.5)
Ending balance	$ 1.0	1.8	4.3
Other Initiatives
Restructuring Reserve [Roll Forward]
Beginning balance		$ 17.6	6.9
Additional charges			18.2
Payments			(7.7)
Non-cash adjustments			0.2
Ending balance			$ 17.6