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Property, Plant and Equipment (Details) - USD ($)
$ in Millions
Dec. 31, 2020
Dec. 31, 2019
Property, Plant and Equipment [Abstract]    
Land $ 119.8 $ 118.1
Buildings 1,025.3 835.0
Leasehold improvements 104.6 99.5
Machinery and equipment 1,027.8 844.5
Computer software and hardware 903.0 798.4
Furniture and fixtures 62.5 58.3
Construction in progress 1,950.8 2,084.4
Total cost 5,193.8 4,838.2
Less: accumulated depreciation (1,782.3) (1,590.9)
Total property, plant and equipment, net $ 3,411.5 $ 3,247.3