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INCOME TAXES (Details) $ in Millions	3 Months Ended		9 Months Ended
	Jul. 02, 2022 USD ($)	Jul. 03, 2021 USD ($)	Jul. 02, 2022 USD ($)	Jul. 03, 2021 USD ($)	Sep. 30, 2021 USD ($)
Income Tax Examination [Line Items]
Effective tax rate related to continuing operations			24.10%	23.50%
Goodwill and intangible asset impairments	$ 633.1	$ 0.0	$ 633.1	$ 0.0
Income tax expense (benefit)	$ 132.8	(73.1)	$ 69.0	(174.2)
Discrete item, increase (decrease), bps	(640)		(640)
Impairment, Restructuring, And Other
Income Tax Examination [Line Items]
Income tax expense (benefit)	$ (138.0)		$ (138.0)
Goodwill, non-deductible impact	18.5		18.5
Impairment, Restructuring, And Other | Hawthorne
Income Tax Examination [Line Items]
Goodwill and intangible asset impairments	632.4		632.4
Other assets
Income Tax Examination [Line Items]
Deferred tax assets, net	$ 114.9		$ 114.9
Other liabilities
Income Tax Examination [Line Items]
Deferred income tax liabilities, net		$ (32.9)		$ (32.9)	$ (47.8)

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