Property, Plant and Equipment, Net (Details) - USD ($) $ in Millions	Oct. 31, 2023	Jul. 31, 2023
Property, Plant and Equipment
Less accumulated depreciation	$ (1,047.2)	$ (1,045.9)
Total property, plant and equipment, net	642.3	652.9
Land
Property, Plant and Equipment
Property, plant and equipment, gross	28.8	29.3
Buildings
Property, Plant and Equipment
Property, plant and equipment, gross	438.0	430.8
Machinery and equipment
Property, Plant and Equipment
Property, plant and equipment, gross	997.6	989.0
Computer software
Property, Plant and Equipment
Property, plant and equipment, gross	141.8	142.0
Construction in progress
Property, Plant and Equipment
Property, plant and equipment, gross	$ 83.3	$ 107.7