Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Supplemental Balance Sheet Information (Property, Plant and Equipment) (Details) - USD ($) $ in Millions	Jul. 31, 2019	Jul. 31, 2018	Jul. 31, 2017
Property, Plant and Equipment [Line Items]
Less: accumulated depreciation	$ (831.2)	$ (790.4)
Net property, plant and equipment	588.9	509.3	$ 484.6
Land
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	24.2	22.8
Buildings
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	325.3	310.8
Machinery and equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	813.5	769.1
Computer software
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	142.8	132.6
Construction in progress
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 114.3	$ 64.4