Property, Plant, Equipment and Software, net - Summary of Property, Plant and Equipment, net (Details) - USD ($) $ in Millions	Jun. 30, 2025	Jun. 30, 2024
Property, Plant and Equipment [Line Items]
Total at cost	$ 3,497.3	$ 3,351.2
Less: accumulated depreciation and amortization	2,137.9	2,016.0
Total property, plant, and equipment	1,359.4	1,335.2
Land
Property, Plant and Equipment [Line Items]
Total at cost	41.6	40.6
Buildings and building equipment
Property, Plant and Equipment [Line Items]
Total at cost	576.5	562.7
Machinery and equipment
Property, Plant and Equipment [Line Items]
Total at cost	2,547.5	2,454.4
Capitalized software
Property, Plant and Equipment [Line Items]
Total at cost	228.6	225.3
Construction in progress
Property, Plant and Equipment [Line Items]
Total at cost	$ 103.1	$ 68.2