Discontinued Operations (Schedule of Earnings (Loss) From Discontinued Operations, Net of Tax) (Details) - USD ($) $ in Millions	3 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Loss on assets held for sale	$ 3.8	$ 0.0
(Loss) earnings from discontinued operations, net of tax	(36.5)	8.0
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Feminine Care
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net sales	64.0	63.3
Cost of products sold	48.0	44.2
Gross profit	16.0	19.1
Selling, general and administrative expense	12.5	3.3
Advertising and sales promotion expense	2.0	4.2
Research and development expense	0.6	0.5
Restructuring charges	0.2	0.1
Impairment charges	37.4	0.0
Operating income	(36.7)	11.0
Loss on assets held for sale	3.8	0.0
(Loss) earnings from discontinued operations before income taxes	(40.5)	11.0
Income tax (benefit) expense on discontinued operations	(4.0)	3.0
(Loss) earnings from discontinued operations, net of tax	$ (36.5)	$ 8.0