Quarterly report pursuant to Section 13 or 15(d)

Property, Plant and Equipment - Major Components of Property, Plant, and Equipment (Details)

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Property, Plant and Equipment - Major Components of Property, Plant, and Equipment (Details) - USD ($)
$ in Millions
Sep. 30, 2021
Dec. 31, 2020
Property, plant and equipment    
Total property, plant and equipment $ 527.6 $ 460.8
Accumulated depreciation (256.9) (220.4)
Property, plant and equipment, net 270.7 240.4
Land and leasehold improvements    
Property, plant and equipment    
Total property, plant and equipment 54.6 53.2
Buildings and improvements    
Property, plant and equipment    
Total property, plant and equipment 160.9 139.5
Machinery, equipment, fixtures and software    
Property, plant and equipment    
Total property, plant and equipment 282.4 245.8
Construction in process    
Property, plant and equipment    
Total property, plant and equipment $ 29.7 $ 22.3