Supplemental Balance Sheet Information (Inventory) (Details) - USD ($) $ in Millions	Oct. 31, 2020	Jul. 31, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Raw materials	$ 110.1	$ 109.6
Work in process	33.8	32.8
Finished products	185.6	180.3
Inventories, net	$ 329.5	$ 322.7

Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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Amount before valuation and LIFO reserves of raw materials expected to be sold, or consumed within one year or operating cycle, if longer.

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Amount before valuation and LIFO reserves of merchandise or goods in the production process expected to be completed within one year or operating cycle, if longer.

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