Property, Plant and Equipment, Net (Details) - USD ($) $ in Millions	Jul. 31, 2023	Jul. 31, 2022	Jul. 31, 2021
Property, Plant and Equipment
Less accumulated depreciation	$ (1,045.9)	$ (980.6)
Property, plant and equipment, net	652.9	594.4	$ 617.8
Land
Property, Plant and Equipment
Property, plant and equipment, gross	29.3	25.6
Buildings
Property, Plant and Equipment
Property, plant and equipment, gross	430.8	396.2
Machinery and equipment
Property, Plant and Equipment
Property, plant and equipment, gross	989.0	940.1
Computer software
Property, Plant and Equipment
Property, plant and equipment, gross	142.0	141.0
Construction in progress
Property, Plant and Equipment
Property, plant and equipment, gross	$ 107.7	$ 72.1