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Property, Plant and Equipment (Details) - USD ($)
$ in Millions
Jun. 30, 2024
Mar. 31, 2024
Property, Plant and Equipment [Abstract]    
Property, plant and equipment $ 1,284.2 $ 1,286.0
Less: accumulated depreciation (920.5) (920.3)
Net property, plant and equipment 363.7 365.7
Land [Member]    
Property, Plant and Equipment [Abstract]    
Property, plant and equipment 16.2 16.3
Buildings and Improvements [Member]    
Property, Plant and Equipment [Abstract]    
Property, plant and equipment $ 280.9 280.7
Buildings and Improvements [Member] | Minimum [Member]    
Property, Plant and Equipment [Abstract]    
Property, plant and equipment, depreciable lives 10 years  
Buildings and Improvements [Member] | Maximum [Member]    
Property, Plant and Equipment [Abstract]    
Property, plant and equipment, depreciable lives 40 years  
Machinery and Equipment [Member]    
Property, Plant and Equipment [Abstract]    
Property, plant and equipment $ 833.3 824.4
Machinery and Equipment [Member] | Minimum [Member]    
Property, Plant and Equipment [Abstract]    
Property, plant and equipment, depreciable lives 3 years  
Machinery and Equipment [Member] | Maximum [Member]    
Property, Plant and Equipment [Abstract]    
Property, plant and equipment, depreciable lives 15 years  
Office Equipment [Member]    
Property, Plant and Equipment [Abstract]    
Property, plant and equipment $ 92.6 97.0
Office Equipment [Member] | Minimum [Member]    
Property, Plant and Equipment [Abstract]    
Property, plant and equipment, depreciable lives 3 years  
Office Equipment [Member] | Maximum [Member]    
Property, Plant and Equipment [Abstract]    
Property, plant and equipment, depreciable lives 10 years  
Construction in Progress [Member]    
Property, Plant and Equipment [Abstract]    
Property, plant and equipment $ 61.2 $ 67.6