IMPAIRMENT, RESTRUCTURING AND OTHER - Impairment, Restructuring and Other Charges (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Jul. 02, 2022	Jul. 03, 2021	Jul. 02, 2022	Jul. 03, 2021
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges, net	$ 658.4	$ 0.5	$ 660.2	$ 3.7
Goodwill and intangible asset impairments	633.1	0.0	633.1	0.0
Impairment, restructuring and other charges from continuing operations	724.2	1.3	731.3	25.9
Cost of sales—impairment, restructuring and other \| Hawthorne
Restructuring Cost and Reserve [Line Items]
Restructuring charges and adjustments	10.4		15.6
COVID-19 related costs \| Cost of sales—impairment, restructuring and other
Restructuring Cost and Reserve [Line Items]
Restructuring charges and adjustments	0.0	1.5	0.0	22.5
COVID-19 related costs \| Operating expenses
Restructuring Cost and Reserve [Line Items]
Restructuring charges and adjustments	0.0	0.4	0.0	3.6
Restructuring and other charges (recoveries), net \| Cost of sales—impairment, restructuring and other
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges, net	58.8	(0.7)	61.3	(0.3)
Restructuring and other charges (recoveries), net \| Operating expenses
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges, net	25.3	0.1	27.1	0.1
Property, plant and equipment impairments \| Cost of sales—impairment, restructuring and other
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges, net	$ 7.0	$ 0.0	$ 9.8	$ 0.0

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- Definition

Total loss recognized during the period from the impairment of goodwill plus the loss recognized in the period resulting from the impairment of the carrying amount of intangible assets, other than goodwill.

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

+ References

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