Condensed Consolidated Statements of Earnings and Comprehensive Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Income Statement [Abstract]
Net sales	$ 623.8	$ 573.7	$ 1,634.8	$ 1,544.1
Cost of products sold	383.2	303.4	974.2	838.8
Gross profit	240.6	270.3	660.6	705.3
Selling, general and administrative expense	92.7	97.5	290.9	284.0
Advertising and sales promotion expense	80.9	81.9	197.0	191.5
Research and development expense	13.6	14.6	40.1	42.6
Restructuring charges	3.5	5.2	9.2	11.6
Operating income	49.9	71.1	123.4	175.6
Interest expense associated with debt	18.0	16.4	53.3	51.1
Other (income) expense, net	(4.4)	0.8	(9.5)	(0.2)
Earnings before income taxes	36.3	53.9	79.6	98.6
Income tax provision	5.8	13.1	14.7	25.7
Net earnings	$ 30.5	$ 40.8	$ 64.9	$ 72.9
Basic net earnings per share	$ 0.58	$ 0.75	$ 1.21	$ 1.34
Diluted net earnings per share	$ 0.57	$ 0.74	$ 1.20	$ 1.32
Condensed Consolidated Statements of Comprehensive Income
Net earnings	$ 30.5	$ 40.8	$ 64.9	$ 72.9
Other comprehensive (loss) income, net of tax
Foreign currency translation adjustments	(34.4)	9.1	(50.3)	23.0
Pension and postretirement activity, net of tax	0.7	(0.7)	0.8	(1.3)
Deferred gain (loss) on hedging activity, net of tax	3.1	0.2	4.5	3.5
Total other comprehensive (loss) income, net of tax	(30.6)	8.6	(45.0)	25.2
Total comprehensive (loss) income	$ (0.1)	$ 49.4	$ 19.9	$ 98.1