Property, Plant and Equipment (Details) - USD ($) $ in Millions	Jun. 30, 2023	Mar. 31, 2023
Property, Plant and Equipment [Abstract]
Property, plant and equipment	$ 1,278.7	$ 1,274.8
Less: accumulated depreciation	(968.4)	(960.3)
Net property, plant and equipment	310.3	314.5
Land [Member]
Property, Plant and Equipment [Abstract]
Property, plant and equipment	16.5	16.4
Buildings and Improvements [Member]
Property, Plant and Equipment [Abstract]
Property, plant and equipment	$ 265.2	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	$ 855.9	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	$ 94.5	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	$ 46.6	$ 47.5