Segment Reporting (Schedule of Segment Report) (Details) - USD ($) $ in Millions	3 Months Ended
	Oct. 31, 2023	Oct. 31, 2022
Segment Reporting Information
Net sales	$ 846.3	$ 847.3
Earnings (loss) before income taxes	122.9	116.6
Corporate and unallocated
Segment Reporting Information
Earnings (loss) before income taxes	(8.4)	(12.1)
Mobile Solutions | Operating Segments
Segment Reporting Information
Net sales	540.0	555.0
Earnings (loss) before income taxes	92.2	80.3
Mobile Solutions | Operating Segments | Off-Road
Segment Reporting Information
Net sales	94.7	103.7
Mobile Solutions | Operating Segments | On-Road
Segment Reporting Information
Net sales	37.8	36.0
Mobile Solutions | Operating Segments | Aftermarket
Segment Reporting Information
Net sales	407.5	415.3
Industrial Solutions | Operating Segments
Segment Reporting Information
Net sales	246.2	229.6
Earnings (loss) before income taxes	43.3	37.6
Industrial Solutions | Operating Segments | Industrial Filtration Solutions
Segment Reporting Information
Net sales	210.6	196.0
Industrial Solutions | Operating Segments | Aerospace and Defense
Segment Reporting Information
Net sales	35.6	33.6
Life Sciences | Operating Segments
Segment Reporting Information
Net sales	60.1	62.7
Earnings (loss) before income taxes	$ (4.2)	$ 10.8