DIVESTITURES - Narrative (Details) - USD ($) $ in Millions		12 Months Ended
	Sep. 08, 2021	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2022
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Accounts payable		$ 397.3	$ 396.6
Other long-term liabilities		32.8	52.5
Purchase price settlement from sale of HHI		26.9
Other current liabilities		171.9	178.4
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	25.3
Other long-term liabilities			16.7
Other current liabilities			8.6
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		25.1	2,909.3	$ 203.1
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 discontinued operations before income taxes		0.0	2,824.2	0.0
Accounts payable			27.3
Other long-term liabilities			2.6
Income from discontinued operations before income taxes		14.9	136.9	253.3
Discontinued operation after disposal, revenue		31.8	9.2
Discontinued operation after disposal, accounts receivable, current		$ 10.7	4.0
Discontinued Operations, Held-for-sale or Disposed of by Sale | HHI Segment | Minimum
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Period of continuing involvement after disposal		12 months
Discontinued Operations, Held-for-sale or Disposed of by Sale | HHI Segment | Maximum
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Period of continuing involvement after disposal		24 months
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		$ 10.2	(2.4)	(3.8)
Discontinued Operations, Disposed of by Sale | HHI Segment
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income from discontinued operations before income taxes			136.9	253.3
Indirect costs			$ 18.0	$ 27.6
HHI Segment
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from sale of discontinued operations, net of cash	$ 4,300.0