Condensed Consolidated Statements of Earnings and Comprehensive Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Income Statement [Abstract]
Net sales	$ 647.8	$ 650.0	$ 1,736.1	$ 1,717.5
Cost of products sold	360.7	369.7	993.2	1,005.3
Gross profit	287.1	280.3	742.9	712.2
Selling, general and administrative expense	110.1	96.3	320.9	297.2
Advertising and sales promotion expense	76.6	80.0	187.9	188.8
Research and development expense	14.6	14.8	42.1	42.6
Restructuring charges	3.1	3.0	13.1	8.7
Operating income	82.7	86.2	178.9	174.9
Interest expense associated with debt	18.8	19.2	59.0	59.8
Other expense (income), net	1.4	(3.8)	4.4	0.7
Earnings before income taxes	62.5	70.8	115.5	114.4
Income tax provision	13.5	17.8	25.7	29.6
Net earnings	49.0	53.0	89.8	84.8
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax	(13.1)	7.5	(2.1)	67.6
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax	(0.5)	(0.4)	(1.1)	3.9
Deferred gain (loss) on hedging activity, net of tax	$ 0.6	$ 1.8	$ (0.1)	$ (6.2)
Basic net earnings per share	$ 0.99	$ 1.04	$ 1.80	$ 1.65
Diluted net earnings per share	$ 0.98	$ 1.02	$ 1.79	$ 1.63
Condensed Consolidated Statements of Comprehensive Income
Net earnings	$ 49.0	$ 53.0	$ 89.8	$ 84.8
Other comprehensive (loss) income, net of tax
Total other comprehensive (loss) income, net of tax	(13.0)	8.9	(3.3)	65.3
Total comprehensive income	$ 36.0	$ 61.9	$ 86.5	$ 150.1