Revenue (Disaggregation of Revenue by Geographical Area) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Apr. 30, 2026	Apr. 30, 2025	Apr. 30, 2026	Apr. 30, 2025
Disaggregation of Revenue
Total net sales	$ 995.1	$ 940.1	$ 2,826.8	$ 2,710.2
U.S. and Canada
Disaggregation of Revenue
Total net sales	427.1	420.9	1,207.2	1,221.7
Europe, Middle East and Africa (EMEA)
Disaggregation of Revenue
Total net sales	289.3	259.5	816.9	728.8
Asia Pacific (APAC)
Disaggregation of Revenue
Total net sales	172.8	158.3	503.3	465.3
Latin America (LATAM)
Disaggregation of Revenue
Total net sales	$ 105.9	$ 101.4	$ 299.4	$ 294.4

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

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

DONALDSON Co INC 10-Q