v3.26.1
Property, Plant and Equipment (Details) - USD ($)
$ in Millions
12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2024
Property, Plant and Equipment [Abstract]      
Property, plant and equipment $ 1,422.6 $ 1,279.9  
Less: accumulated depreciation (901.7) (889.4)  
Net property, plant and equipment 520.9 390.5  
Depreciation expense 58.7 50.3 $ 46.9
Land      
Property, Plant and Equipment [Abstract]      
Property, plant and equipment 19.1 16.4  
Buildings and Improvements      
Property, Plant and Equipment [Abstract]      
Property, plant and equipment $ 291.1 257.7  
Buildings and Improvements | Minimum      
Property, Plant and Equipment [Abstract]      
Property, plant and equipment, Useful life 10 years    
Buildings and Improvements | Maximum      
Property, Plant and Equipment [Abstract]      
Property, plant and equipment, Useful life 40 years    
Machinery and Equipment      
Property, Plant and Equipment [Abstract]      
Property, plant and equipment $ 904.1 843.7  
Machinery and Equipment | Minimum      
Property, Plant and Equipment [Abstract]      
Property, plant and equipment, Useful life 3 years    
Machinery and Equipment | Maximum      
Property, Plant and Equipment [Abstract]      
Property, plant and equipment, Useful life 15 years    
Office Equipment      
Property, Plant and Equipment [Abstract]      
Property, plant and equipment $ 92.2 92.6  
Office Equipment | Minimum      
Property, Plant and Equipment [Abstract]      
Property, plant and equipment, Useful life 3 years    
Office Equipment | Maximum      
Property, Plant and Equipment [Abstract]      
Property, plant and equipment, Useful life 10 years    
Construction in Progress      
Property, Plant and Equipment [Abstract]      
Property, plant and equipment $ 116.1 $ 69.5