Background and Basis of Presentation (Details)	3 Months Ended						9 Months Ended
	Jun. 30, 2024 USD ($) country $ / shares	Mar. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Jun. 30, 2023 USD ($) $ / shares	Mar. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Jun. 30, 2024 USD ($) country $ / shares	Jun. 30, 2023 USD ($) $ / shares	Sep. 30, 2023 USD ($)
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of countries in which Edgewell operates | country	20						20
Number of countries with retail operations | country	50						50
Repayments of Revolving Credit Facility							$ 705,000,000.0	$ 715,000,000.0
Number of Reportable Segments | country	3
Cost of products sold	$ 360,700,000			$ 369,700,000			993,200,000	1,005,300,000
Segment profit	82,700,000			86,200,000			178,900,000	174,900,000
Earnings before income taxes	62,500,000			70,800,000			115,500,000	114,400,000
Income tax provision	13,500,000			17,800,000			25,700,000	29,600,000
Net earnings	$ 49,000,000.0	$ 36,000,000.0	$ 4,800,000	$ 53,000,000.0	$ 19,400,000	$ 12,400,000	$ 89,800,000	$ 84,800,000
Basic net earnings per share | $ / shares	$ 0.99			$ 1.04			$ 1.80	$ 1.65
Diluted net earnings per share | $ / shares	$ 0.98			$ 1.02			$ 1.79	$ 1.63
Gross Profit	$ 287,100,000			$ 280,300,000			$ 742,900,000	$ 712,200,000
Net sales	647,800,000			650,000,000.0			1,736,100,000	1,717,500,000
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	36,000,000.0			61,900,000			86,500,000	150,100,000
Supplier Finance Program, Obligation	22.4						22.4		$ 21.8
Accounts Payable, Current	$ (208,700,000)						(208,700,000)		(194,400,000)
Other, net							$ (8,500,000)	6,400,000
Restatement Adjustment
Cost of products sold				(600,000)				(1,800,000)
Segment profit				600,000				1,800,000
Earnings before income taxes				600,000				1,800,000
Income tax provision				100,000				400,000
Net earnings				$ 500,000				$ 1,400,000
Basic net earnings per share | $ / shares				$ 0.01				$ 0.03
Diluted net earnings per share | $ / shares				$ 0.01				$ 0.02
Gross Profit				$ 600,000				$ 1,800,000
Comprehensive Income (Loss), Net of Tax, Attributable to Parent				500,000				1,400,000
Accounts Payable, Current									$ 8,500,000
Other, net								(1,400,000)
Previously Reported
Cost of products sold				370,300,000				1,007,100,000
Segment profit				85,600,000				173,100,000
Earnings before income taxes				70,200,000				112,600,000
Income tax provision				17,700,000				29,200,000
Net earnings				$ 52,500,000				$ 83,400,000
Basic net earnings per share | $ / shares				$ 1.03				$ 1.62
Diluted net earnings per share | $ / shares				$ 1.01				$ 1.61
Gross Profit				$ 279,700,000				$ 710,400,000
Comprehensive Income (Loss), Net of Tax, Attributable to Parent				$ 61,400,000				148,700,000
Other, net								$ 7,800,000