Segment Reporting (Schedule of Segment Report) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jan. 31, 2024	Jan. 31, 2023	Jan. 31, 2024	Jan. 31, 2023
Segment Reporting Information
Net sales	$ 876.7	$ 828.3	$ 1,723.0	$ 1,675.6
Earnings (loss) before income taxes	129.0	113.3	251.9	229.8
Operating Segments
Segment Reporting Information
Net sales			1,723.0	1,675.6
Corporate and unallocated
Segment Reporting Information
Earnings (loss) before income taxes	(11.8)	(17.9)	(20.2)	(30.1)
Mobile Solutions | Operating Segments
Segment Reporting Information
Net sales	550.3	522.5	1,090.3	1,077.4
Earnings (loss) before income taxes	99.2	78.6	191.4	158.9
Mobile Solutions | Operating Segments | Off-Road
Segment Reporting Information
Net sales	91.9	106.2	186.6	209.8
Mobile Solutions | Operating Segments | On-Road
Segment Reporting Information
Net sales	33.5	34.5	71.3	70.5
Mobile Solutions | Operating Segments | Aftermarket
Segment Reporting Information
Net sales	424.9	381.8	832.4	797.1
Industrial Solutions | Operating Segments
Segment Reporting Information
Net sales	263.4	246.4	509.6	476.0
Earnings (loss) before income taxes	47.4	46.3	90.7	83.9
Industrial Solutions | Operating Segments | Industrial Filtration Solutions
Segment Reporting Information
Net sales	224.5	211.8	435.1	407.8
Industrial Solutions | Operating Segments | Aerospace and Defense
Segment Reporting Information
Net sales	38.9	34.6	74.5	68.2
Life Sciences | Operating Segments
Segment Reporting Information
Net sales	63.0	59.4	123.1	122.2
Earnings (loss) before income taxes	$ (5.8)	$ 6.3	$ (10.0)	$ 17.1