Property, Plant and Equipment, Net (Details) - USD ($) $ in Millions	Jan. 31, 2024	Jul. 31, 2023
Property, Plant and Equipment
Less accumulated depreciation	$ (1,074.9)	$ (1,045.9)
Total property, plant and equipment, net	647.0	652.9
Land
Property, Plant and Equipment
Property, plant and equipment, gross	29.2	29.3
Buildings
Property, Plant and Equipment
Property, plant and equipment, gross	444.8	430.8
Machinery and equipment
Property, Plant and Equipment
Property, plant and equipment, gross	1,023.7	989.0
Computer software
Property, Plant and Equipment
Property, plant and equipment, gross	142.7	142.0
Construction in progress
Property, Plant and Equipment
Property, plant and equipment, gross	$ 81.5	$ 107.7