Segment Data (Schedule of Segment Sales and Profitability) (Details) - USD ($) $ in Millions	3 Months Ended				6 Months Ended
	Mar. 31, 2023		Mar. 31, 2022		Mar. 31, 2023		Mar. 31, 2022
Segment Reporting Information [Line Items]
Net sales	$ 598.4		$ 547.7		$ 1,067.5		$ 1,011.0
Segment profit	56.2		41.7		87.5		73.5
Restructuring and related costs	3.2		3.7		6.0		5.9
Acquisition and integration costs	2.0	[1]	1.1	[1]	4.1		7.1
Sun Care reformulation costs	0.6		0.2	[2]	1.1		3.5
VAT settlement costs			0.0	[3]	0.0	[3]	(3.4)
Other Expenses	(0.5)				(0.5)
Amortization of intangibles	7.7		7.9		15.4		14.0
Interest and other expense, net	23.0		14.6		37.9		30.2
Restructuring charges	3.0		3.5		5.8		5.7
Earnings before income taxes	26.0		27.1		42.4		43.3
Gain (Loss) Related to Litigation Settlement	(7.2)				(7.2)		0.0
Wet Shave
Segment Reporting Information [Line Items]
Net sales	308.6		305.0		583.9		591.1
Segment profit	35.1		27.6		70.5		79.1
Sun and Skin Care
Segment Reporting Information [Line Items]
Net sales	209.7		183.3		322.6		288.1
Segment profit	39.9		42.3		53.0		46.0
Feminine Care
Segment Reporting Information [Line Items]
Net sales	80.1		59.4		161.0		131.8
Segment profit	12.0		1.9		23.8		10.3
Total Segments
Segment Reporting Information [Line Items]
Segment profit	87.0		71.8		147.3		135.4
Corporate
Segment Reporting Information [Line Items]
General corporate and other expenses	$ 17.0		$ 17.2		$ 32.9		28.0
Cost of products sold | Billie
Segment Reporting Information [Line Items]
Acquisition and integration costs							$ 0.5

[1] Includes pre-tax SG&A of $0.6 and $6.3 for the three and six months ended March 31, 2022, respectively, for the Acquisition. Additionally, includes Cost of Products Sold of $0.5 and $0.8 related to the valuation of acquired inventory for the Acquisition for the three and six months ended March 31, 2022, respectively. See Note 2 of the Notes to Condensed Consolidated Financial Statements.

[2] Includes pre-tax R&D of $0.6 and $1.1 for the three and six months ended March 31, 2023, respectively, and pre-tax Cost of Products Sold of $0.2 and $3.5 for the three and six months ended March 31, 2022, respectively, related to the reformulation, recall and destruction of certain Sun Care products.

[3] Includes pre-tax SG&A of $3.4 for the six months ended March 31, 2022 related to the estimated settlement of a prior years’ value-added tax audit of the Company’s German subsidiary.