Consolidated Statements of Earnings and Comprehensive (Loss) Income - USD ($) $ in Millions	12 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2020
Income Statement [Abstract]
Net sales	$ 2,171.7	$ 2,087.3	$ 1,949.7
Cost of products sold	1,292.3	1,137.2	1,068.8
Gross profit	879.4	950.1	880.9
Selling, general and administrative expense	389.1	391.2	408.8
Advertising and sales promotion expense	238.3	241.5	216.2
Research and development expense	55.5	57.8	55.3
Restructuring charges	15.3	20.8	24.6
Operating income	181.2	238.8	176.0
Gain on sale of Infant and Pet Care business	0.0	0.0	4.1
Cost of early retirement of long-term debt	0.0	26.1	26.2
Interest expense associated with debt	71.4	67.9	61.2
Other (income) expense, net	(13.2)	(1.2)	5.4
Earnings before income taxes	123.0	146.0	87.3
Income tax provision	24.4	29.0	19.7
Net earnings	$ 98.6	$ 117.0	$ 67.6
Basic net earnings per share	$ 1.86	$ 2.15	$ 1.25
Dilutive net earnings per share	$ 1.84	$ 2.12	$ 1.24
Condensed Consolidated Statements of Comprehensive Income
Net earnings	$ 98.6	$ 117.0	$ 67.6
Other comprehensive (loss) income, net of tax:
Foreign currency translation adjustments	(89.4)	5.6	29.9
Pension and postretirement activity, net of tax	4.7	44.8	17.7
Deferred gain (loss) on hedging activity, net of tax	5.5	4.3	(3.3)
Total other comprehensive (loss) income, net of tax	(79.2)	54.7	44.3
Total comprehensive income	$ 19.4	$ 171.7	$ 111.9