Segment Reporting (Schedule of Segment Report) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Apr. 30, 2023	Apr. 30, 2022	Apr. 30, 2023	Apr. 30, 2022
Segment Reporting Information
Net sales	$ 875.7	$ 853.2	$ 2,551.3	$ 2,416.6
Earnings (loss) before income taxes	121.5	111.3	351.4	309.8
Operating Segments
Segment Reporting Information
Net sales	875.7	853.2	2,551.3	2,416.6
Corporate and unallocated
Segment Reporting Information
Earnings (loss) before income taxes	(11.2)	(16.7)	(41.2)	(31.3)
Mobile Solutions | Operating Segments
Segment Reporting Information
Net sales	555.0	555.6	1,632.3	1,556.4
Earnings (loss) before income taxes	83.4	79.7	242.3	203.9
Mobile Solutions | Operating Segments | Off-Road
Segment Reporting Information
Net sales	115.6	104.4	325.3	286.7
Mobile Solutions | Operating Segments | On-Road
Segment Reporting Information
Net sales	38.0	36.1	108.5	100.7
Mobile Solutions | Operating Segments | Aftermarket
Segment Reporting Information
Net sales	401.4	415.1	1,198.5	1,169.0
Industrial Solutions | Operating Segments
Segment Reporting Information
Net sales	261.5	229.8	737.6	649.1
Earnings (loss) before income taxes	49.1	34.3	133.0	86.1
Industrial Solutions | Operating Segments | Industrial Filtration Solutions
Segment Reporting Information
Net sales	223.3	198.5	631.1	563.2
Industrial Solutions | Operating Segments | Aerospace and Defense
Segment Reporting Information
Net sales	38.2	31.3	106.5	85.9
Life Sciences | Operating Segments
Segment Reporting Information
Net sales	59.2	67.8	181.4	211.1
Earnings (loss) before income taxes	$ 0.2	$ 14.0	$ 17.3	$ 51.1