Property, Plant, and Equipment - Schedule of Property, Plant, and Equipment (Details) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Property, Plant and Equipment [Line Items]
Property, plant, and equipment, gross	$ 3,812.8	$ 3,304.5
Less, accumulated depreciation and amortization	(922.4)	(728.7)
Property, Plant, And Equipment And Finance Lease Right-Of-Use Asset, After Accumulated Depreciation And Amortization	2,890.4
Property, plant, and equipment, net		2,575.8
Land
Property, Plant and Equipment [Line Items]
Property, plant, and equipment, gross	230.8	199.0
Building and improvements
Property, Plant and Equipment [Line Items]
Property, plant, and equipment, gross	1,683.4	1,507.2
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant, and equipment, gross	97.6	97.0
Construction in progress
Property, Plant and Equipment [Line Items]
Property, plant, and equipment, gross	644.8	469.6
Laboratory and other equipment
Property, Plant and Equipment [Line Items]
Property, plant, and equipment, gross	850.7	773.7
Computer equipment and software
Property, Plant and Equipment [Line Items]
Property, plant, and equipment, gross	183.7	145.8
Furniture, office equipment, and other
Property, Plant and Equipment [Line Items]
Property, plant, and equipment, gross	$ 121.8	$ 112.2