Property, Plant and Equipment, Net (Details) - USD ($) $ in Millions	Apr. 30, 2024	Jul. 31, 2023
Property, Plant and Equipment
Less accumulated depreciation	$ (1,076.3)	$ (1,045.9)
Total property, plant and equipment, net	642.8	652.9
Land
Property, Plant and Equipment
Property, plant and equipment, gross	29.1	29.3
Buildings
Property, Plant and Equipment
Property, plant and equipment, gross	445.4	430.8
Machinery and equipment
Property, Plant and Equipment
Property, plant and equipment, gross	962.8	989.0
Computer software
Property, Plant and Equipment
Property, plant and equipment, gross	142.9	142.0
Construction in progress
Property, Plant and Equipment
Property, plant and equipment, gross	$ 138.9	$ 107.7