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Property, Plant and Equipment (Details) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021 USD ($)	Sep. 30, 2020 USD ($)	Sep. 30, 2021 USD ($) ft²	Sep. 30, 2020 USD ($)	Dec. 31, 2020 USD ($)
Property, Plant and Equipment [Line Items]
Accumulated depreciation	$ 1,944.2		$ 1,944.2		$ 1,782.3
Depreciation	65.1	$ 51.5	$ 168.7	$ 151.2
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	661.8		$ 661.8		$ 1,800.0
Fixed assets placed into service	$ 1,200.0		$ 1,200.0

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- Definition

Number of Square Feet

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Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount of structure or a modification to a structure under construction. Includes recently completed structures or modifications to structures that have not been placed into service.

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The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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