Property, Plant and Equipment (Details) $ in Millions	3 Months Ended			9 Months Ended
	Sep. 30, 2024 USD ($)	Mar. 31, 2024 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2024 USD ($) ft²	Sep. 30, 2023 USD ($)	Dec. 31, 2023 USD ($)
Property, Plant and Equipment [Line Items]
Accumulated depreciation	$ 2,604.4			$ 2,604.4		$ 2,402.5
Depreciation	72.7		$ 64.1	213.9	$ 190.7
Property, Plant and Equipment, Net	$ 3,210.9			$ 3,210.9		3,309.7
Biologics Manufacturing
Property, Plant and Equipment [Line Items]
Number of square feet | ft²				393,000
Warehouse, Utilities and Support Space
Property, Plant and Equipment [Line Items]
Number of square feet | ft²				290,000
Administrative Space
Property, Plant and Equipment [Line Items]
Number of square feet | ft²				51,000
Solothurn, Switzerland
Property, Plant and Equipment [Line Items]
Construction in progress						$ 728.8
Property, Plant and Equipment, Additions		$ 717.3