Segment Reporting (Segment Report) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jan. 31, 2025	Jan. 31, 2024	Jan. 31, 2025	Jan. 31, 2024
Segment Reporting Information
Net sales	$ 870.0	$ 876.7	$ 1,770.1	$ 1,723.0
Earnings (loss) before income taxes	125.0	129.0	255.5	251.9
Operating Segments
Segment Reporting Information
Net sales			1,770.1	1,723.0
Earnings (loss) before income taxes	135.9	140.8	276.3	272.1
Corporate and unallocated
Segment Reporting Information
Earnings (loss) before income taxes	(10.9)	(11.8)	(20.8)	(20.2)
Mobile Solutions | Operating Segments
Segment Reporting Information
Net sales	547.5	550.3	1,119.9	1,090.3
Earnings (loss) before income taxes	95.5	99.2	200.2	191.4
Mobile Solutions | Operating Segments | Off-Road
Segment Reporting Information
Net sales	80.2	91.9	169.3	186.6
Mobile Solutions | Operating Segments | On-Road
Segment Reporting Information
Net sales	25.3	33.5	57.4	71.3
Mobile Solutions | Operating Segments | Aftermarket
Segment Reporting Information
Net sales	442.0	424.9	893.2	832.4
Industrial Solutions | Operating Segments
Segment Reporting Information
Net sales	253.7	263.4	511.3	509.6
Earnings (loss) before income taxes	40.9	47.4	81.9	90.7
Industrial Solutions | Operating Segments | Industrial Filtration Solutions
Segment Reporting Information
Net sales	207.5	224.5	419.9	435.1
Industrial Solutions | Operating Segments | Aerospace and Defense
Segment Reporting Information
Net sales	46.2	38.9	91.4	74.5
Life Sciences | Operating Segments
Segment Reporting Information
Net sales	68.8	63.0	138.9	123.1
Earnings (loss) before income taxes	$ (0.5)	$ (5.8)	$ (5.8)	$ (10.0)