Condensed Consolidated Statements of Earnings and Comprehensive Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Income Statement [Abstract]
Net sales	$ 650.0	$ 623.8	$ 1,717.5	$ 1,634.8
Cost of products sold	370.3	383.2	1,007.1	974.2
Gross profit	279.7	240.6	710.4	660.6
Selling, general and administrative expense	96.3	92.7	297.2	290.9
Advertising and sales promotion expense	80.0	80.9	188.8	197.0
Research and development expense	14.8	13.6	42.6	40.1
Restructuring charges	3.0	3.5	8.7	9.2
Operating income	85.6	49.9	173.1	123.4
Interest expense associated with debt	19.2	18.0	59.8	53.3
Other (income) expense, net	(3.8)	(4.4)	0.7	(9.5)
Earnings before income taxes	70.2	36.3	112.6	79.6
Income tax provision	17.7	5.8	29.2	14.7
Net earnings	$ 52.5	$ 30.5	$ 83.4	$ 64.9
Basic net earnings per share	$ 1.03	$ 0.58	$ 1.62	$ 1.21
Diluted net earnings per share	$ 1.01	$ 0.57	$ 1.61	$ 1.20
Condensed Consolidated Statements of Comprehensive Income
Net earnings	$ 52.5	$ 30.5	$ 83.4	$ 64.9
Other comprehensive income (loss), net of tax
Foreign currency translation adjustments	7.5	(34.4)	67.6	(50.3)
Pension and postretirement activity, net of tax	(0.4)	0.7	3.9	0.8
Deferred gain (loss) on hedging activity, net of tax	1.8	3.1	(6.2)	4.5
Total other comprehensive income (loss), net of tax	8.9	(30.6)	65.3	(45.0)
Total comprehensive income (loss)	$ 61.4	$ (0.1)	$ 148.7	$ 19.9