Segment Reporting (Net Sales by Product Within Engine Products Segment and Industrial Products Segment) (Details) - USD ($) $ in Millions	12 Months Ended
	Jul. 31, 2023	Jul. 31, 2022	Jul. 31, 2021
Segment Reporting Information
Net sales	$ 3,430.8	$ 3,306.6	$ 2,853.9
Mobile Solutions Segment | Operating Segments
Segment Reporting Information
Net sales	2,174.8	2,126.5	1,818.4
Mobile Solutions Segment | Off-Road | Operating Segments
Segment Reporting Information
Net sales	428.7	390.5	316.3
Mobile Solutions Segment | On-Road | Operating Segments
Segment Reporting Information
Net sales	145.8	136.1	138.8
Mobile Solutions Segment | Aftermarket | Operating Segments
Segment Reporting Information
Net sales	1,600.3	1,599.9	1,363.3
Industrial Solutions Segment | Operating Segments
Segment Reporting Information
Net sales	1,014.7	901.0	781.0
Industrial Solutions Segment | Industrial Filtration Solutions | Operating Segments
Segment Reporting Information
Net sales	872.2	780.5	684.8
Industrial Solutions Segment | Aerospace and Defense | Operating Segments
Segment Reporting Information
Net sales	142.5	120.5	96.2
Life Sciences Segment | Operating Segments
Segment Reporting Information
Net sales	$ 241.3	$ 279.1	$ 254.5