Annual report pursuant to Section 13 and 15(d)

Property, Plant and Equipment (Details)

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Property, Plant and Equipment (Details) - USD ($)
$ in Millions
Dec. 31, 2018
Dec. 31, 2017
Property, Plant and Equipment [Line Items]    
Less accumulated depreciation and amortization $ (318.8) $ (296.1)
Total 296.1 310.6
Land    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross 29.6 30.2
Buildings    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross 91.8 91.5
Machinery and equipment    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross 452.8 441.8
Computer software    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross 19.2 17.2
Construction in progress    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross $ 21.5 $ 26.0