Property, Plant, and Equipment - Schedule of Property, Plant, and Equipment (Details) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Property, Plant and Equipment [Line Items]
Property, plant, and equipment, gross	$ 4,352.7	$ 3,812.8
Less, accumulated depreciation and amortization	(1,131.1)	(922.4)
Property, plant, and equipment, net	3,221.6	2,890.4
Land
Property, Plant and Equipment [Line Items]
Property, plant, and equipment, gross	241.2	230.8
Building and improvements
Property, Plant and Equipment [Line Items]
Property, plant, and equipment, gross	1,891.1	1,683.4
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant, and equipment, gross	100.5	97.6
Construction in progress
Property, Plant and Equipment [Line Items]
Property, plant, and equipment, gross	724.5	644.8
Laboratory equipment
Property, Plant and Equipment [Line Items]
Property, plant, and equipment, gross	1,038.6	850.7
Computer equipment and software
Property, Plant and Equipment [Line Items]
Property, plant, and equipment, gross	226.3	183.7
Furniture, office equipment, and other
Property, Plant and Equipment [Line Items]
Property, plant, and equipment, gross	$ 130.5	$ 121.8