CONSOLIDATED STATEMENTS OF EARNINGS AND COMPREHENSIVE INCOME (Condensed) - USD ($) shares in Millions, $ 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	$ 699.4	$ 728.0	$ 2,148.6	$ 2,259.7
Cost of products sold	434.3	444.0	1,331.9	1,425.7
Gross profit	265.1	284.0	816.7	834.0
Selling, general and administrative expense	116.1	118.9	354.8	364.4
Advertising and sales promotion expense	37.6	38.5	109.4	109.8
Research and development expense	8.8	8.5	24.4	25.3
Amortization of intangible assets	14.5	15.4	45.0	45.8
Interest expense	42.2	41.1	127.1	116.4
Loss on extinguishment of debt	0.3	0.0	(1.7)	0.0
Other items, net	5.2	(3.5)	4.6	2.7
(Loss)/Earnings before income taxes	40.4	65.1	153.1	169.6
Income tax (benefit)/provision	8.6	12.7	32.3	38.2
Net earnings	31.8	52.4	120.8	131.4
Mandatory preferred stock dividends	0.0	0.0	0.0	(4.0)
Net earnings attributable to common shareholders	$ 31.8	$ 52.4	$ 120.8	$ 127.4
Earnings Per Share
Basic net (loss)/earnings per common share- continuing operations (in dollars per share)	$ 0.44	$ 0.73	$ 1.69	$ 1.83
Diluted net (loss)/earnings per common share- continuing operations (in dollars per share)	$ 0.44	$ 0.73	$ 1.67	$ 1.82
Weighted Average Number of Shares Outstanding, Basic	71.5	71.3	71.4	69.5
Weighted Average Number of Shares Outstanding, Diluted	72.5	71.7	72.4	69.9
Statement of Comprehensive Income
Net (loss)/earnings	$ 31.8	$ 52.4	$ 120.8	$ 131.4
Other comprehensive income/(loss), net of tax (benefit)/expense
Foreign currency translation adjustments	2.6	(5.9)	(14.6)	29.1
Pension activity, net of tax of $(2.9) in 2022, $8.7 in 2021, and $3.5 in 2020	0.0	2.7	3.1	5.8
Deferred gain/(loss) on hedging activity, net of tax of $19.1 in 2022, $6.4 in 2021, and $(1.5) in 2020	1.8	7.3	(22.4)	37.6
Total comprehensive (loss)/income	$ 36.2	$ 56.5	$ 86.9	$ 203.9