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DIVESTITURES - Narrative (Details) - USD ($) $ in Millions		12 Months Ended
	Sep. 08, 2021	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2023
Other Disposal Group | Energizer Holdings Inc.
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Other liabilities		$ 0.0
Discontinued Operations, Held-for-sale or Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income from discontinued operations before income taxes		4.5	$ 25.1	$ 2,909.3
Discontinued Operations, Held-for-sale or Disposed of by Sale | HHI Segment
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain on sale of HHI discontinued operations before income taxes		0.0	14.9	2,824.2
Income from discontinued operations before income taxes		0.0	0.0	136.9
Discontinued Operations, Held-for-sale or Disposed of by Sale | Other Disposal Group
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income from discontinued operations before income taxes		$ 4.5	$ 10.2	(2.4)
Discontinued Operations, Disposed of by Sale | HHI Segment
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Indirect costs				18.0
Income from discontinued operations before income taxes				$ 136.9
HHI Segment
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from divestiture of businesses	$ 4,300.0

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