DIVESTITURES - Narrative (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
	Sep. 08, 2021	Mar. 31, 2024	Apr. 02, 2023	Mar. 31, 2024	Apr. 02, 2023	Sep. 30, 2023
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Other long-term liabilities		$ 174.9		$ 174.9		$ 158.0
Accounts payable		375.5		375.5		396.6
Purchase price settlement from sale of HHI		26.9		26.9	$ 0.0
Other current liabilities		174.0		174.0		178.4
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		15.2	$ 40.3	25.5	68.4
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]
Income from discontinued operations before income taxes		15.2	59.5	15.2	104.4
Discontinued operation after disposal, revenue		7.9		15.9
Discontinued operation after disposal, accounts receivable, current		25.0		25.0		4.0
Other long-term liabilities		2.7		$ 2.7		2.6
Accounts payable						27.3
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						16.7
Other liabilities		14.4		$ 14.4		25.3
Other current liabilities						$ 8.6
Other | 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		$ 0.0	$ (1.4)	$ 10.3	$ (2.0)