Property, Plant and Equipment (Details) - USD ($) $ in Millions	Dec. 31, 2023	Mar. 31, 2023
Property, Plant and Equipment [Abstract]
Property, plant and equipment	$ 1,239.9	$ 1,274.8
Less: accumulated depreciation	(922.6)	(960.3)
Net property, plant and equipment	317.3	314.5
Land [Member]
Property, Plant and Equipment [Abstract]
Property, plant and equipment	16.3	16.4
Buildings and Improvements [Member]
Property, Plant and Equipment [Abstract]
Property, plant and equipment	$ 268.4	264.0
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	$ 815.7	853.3
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	$ 95.1	93.6
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	$ 44.4	$ 47.5