Segment Data (Schedule of Segment Sales and Profitability) (Details) - USD ($) $ in Millions	3 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Segment Reporting Information [Line Items]
Net sales	$ 478.4	$ 488.9
Segment profit	20.3	26.1
Acquisition and integration costs	(0.5)	(0.7)
Sun Care reformulation costs	(1.0)	(0.5)
Wet Ones manufacturing plant fire	0.0	1.5
Gain (Loss) on Investments	0.9
Other project costs	2.8	0.1
Amortization of Intangible Assets	(7.8)	(7.8)
Interest Expense and Other Nonoperating (Income) Expense, Net	(21.1)	(20.1)
(Loss) earnings before income taxes	(1.7)	6.0
Restructuring Charges	(4.2)	(6.8)
Wet Shave
Segment Reporting Information [Line Items]
Net sales	294.5	301.7
Segment profit	46.6	53.7
Sun and Skin Care
Segment Reporting Information [Line Items]
Net sales	120.6	115.4
Segment profit	(3.4)	(1.3)
Feminine Care
Segment Reporting Information [Line Items]
Net sales	63.3	71.8
Segment profit	3.2	7.3
Corporate
Segment Reporting Information [Line Items]
General Corporate and Other Expenses	(11.6)	(16.2)
segment profit
Segment Reporting Information [Line Items]
Segment profit	46.4	59.7
Selling, general and administrative expenses
Segment Reporting Information [Line Items]
Acquisition and integration costs	$ (0.5)	$ (0.7)