Revenue (Disaggregation of Revenue by Geographical Area) (Details) - USD ($) $ in Millions	3 Months Ended
Oct. 31, 2020	Oct. 31, 2019
Disaggregation of Revenue
Total net sales	$ 636.6	$ 672.7
United States and Canada
Disaggregation of Revenue
Total net sales	251.0	286.9
Europe, Middle East and Africa
Disaggregation of Revenue
Total net sales	187.8	194.8
Asia Pacific
Disaggregation of Revenue
Total net sales	144.1	133.5
Latin America
Disaggregation of Revenue
Total net sales	$ 53.7	$ 57.5

Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise.

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+ Details