Consolidated Statements of Earnings and Comprehensive (Loss) Income - USD ($) $ in Millions	12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2022
Income Statement [Abstract]
Net sales	$ 2,253.7	$ 2,251.6	$ 2,171.7
Cost of products sold	1,298.0	1,310.8	1,291.2
Gross profit	955.7	940.8	880.5
Selling, general and administrative expense	430.1	409.6	389.1
Advertising and sales promotion expense	232.0	229.1	238.3
Research and development expense	58.4	58.5	55.5
Restructuring charges	35.9	16.6	15.3
Operating income	199.3	227.0	182.3
Interest expense associated with debt	76.5	78.5	71.4
Other expense (income), net	1.9	0.8	(13.2)
Earnings before income taxes	120.9	147.7	124.1
Income tax provision	22.3	33.0	24.6
Net earnings	$ 98.6	$ 114.7	$ 99.5
Basic net earnings per share	$ 1.98	$ 2.24	$ 1.87
Dilutive net earnings per share	$ 1.97	$ 2.21	$ 1.85
Condensed Consolidated Statements of Comprehensive Income
Net earnings	$ 98.6	$ 114.7	$ 99.5
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	18.6	44.3	(89.4)
Pension and postretirement activity, net of tax	1.2	6.6	4.7
Deferred gain (loss) on hedging activity, net of tax	(4.6)	(4.8)	5.5
Total other comprehensive income (loss), net of tax	15.2	46.1	(79.2)
Total comprehensive income	$ 113.8	$ 160.8	$ 20.3