Supplemental Balance Sheet Information (Inventory) (Details) - USD ($) $ in Millions	Jul. 31, 2020	Jul. 31, 2019
Inventory, Net [Abstract]
Raw materials	$ 109.6	$ 114.7
Work in process	32.8	33.0
Finished products	180.3	185.1
Inventories, net	$ 322.7	$ 332.8

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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