Consolidated Statements Of Operations - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2022
Income Statement [Abstract]
Revenues	$ 1,314.7	$ 1,275.7	$ 1,247.4
Cost of sales	855.7	896.2	883.1
Gross profit	459.0	379.5	364.3
Operating expenses:
Selling, general and administrative	245.2	241.9	238.7
Restructuring Charges	15.8	10.2	7.2
Goodwill, Impairment Loss	16.3	0.0	6.8
Total operating expenses	277.3	252.1	252.7
Operating income	181.7	127.4	111.6
Pension expense (benefit) other than service	4.0	3.7	(3.9)
Interest expense, net	12.7	14.7	16.9
Other expense	1.6	0.0	0.0
Income before income taxes	163.4	109.0	98.6
Income tax expense (benefit)	47.5	23.5	22.0
Net income	$ 115.9	$ 85.5	$ 76.6
Net loss per basic share:
Net income (loss) per basic share	$ 0.74	$ 0.55	$ 0.49
Net loss per diluted share:
Net income (loss) per diluted share	$ 0.74	$ 0.55	$ 0.48
Weighted average shares outstanding:
Basic, in shares	155.9	156.3	157.4
Diluted, in shares	156.9	156.8	158.0
Dividends declared per share, in dollars per share	$ 0.256	$ 0.244	$ 0.232