DIVESTITURES - Narrative (Details) - USD ($) $ in Millions		3 Months Ended
	Sep. 08, 2021	Dec. 31, 2023	Sep. 30, 2023
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Accounts payable		$ 382.7	$ 396.6
Other long-term liabilities		142.9	158.0
Other current liabilities		182.3	178.4
HHI
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
HHI | 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]
Discontinued operation after disposal, revenue		7.9
Discontinued operation after disposal, accounts receivable, current		7.0	4.0
Accounts payable		26.9	27.3
Other long-term liabilities		$ 2.6	2.6
HHI | Discontinued Operations, Held-for-sale or Disposed of by Sale | Minimum
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Period of continuing involvement after disposal		12 months
HHI | Discontinued Operations, Held-for-sale or Disposed of by Sale | Maximum
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Period of continuing involvement after disposal		24 months
Other | Energizer
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Other long-term liabilities		$ 0.6	16.7
Other liabilities		14.8	25.3
Other current liabilities		$ 14.2	$ 8.6