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Property, Plant and Equipment (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Property, Plant and Equipment [Line Items]      
Gross property, plant and equipment $ 792.5 $ 810.4  
Less: Accumulated depreciation 452.2 448.5  
Property, plant and equipment, net 340.3 361.9  
Depreciation expense 38.1 35.7 $ 29.4
Land and improvements      
Property, Plant and Equipment [Line Items]      
Gross property, plant and equipment 15.0 15.3  
Buildings and improvements      
Property, Plant and Equipment [Line Items]      
Gross property, plant and equipment $ 142.0 145.1  
Buildings and improvements | Minimum      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment, useful life 20 years    
Buildings and improvements | Maximum      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment, useful life 40 years    
Machinery and equipment      
Property, Plant and Equipment [Line Items]      
Gross property, plant and equipment $ 620.9 621.9  
Machinery and equipment | Minimum      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment, useful life 5 years    
Machinery and equipment | Maximum      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment, useful life 20 years    
Construction in progress      
Property, Plant and Equipment [Line Items]      
Gross property, plant and equipment $ 14.6 $ 28.1