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ACQUISITIONS AND INVESTMENTS - True Liberty Bags (Details) - USD ($) $ in Millions	Dec. 23, 2021	Jul. 02, 2022	Sep. 30, 2021	Jul. 03, 2021
Business Acquisition [Line Items]
Goodwill		$ 254.7	$ 605.2	$ 547.1
Hawthorne
Business Acquisition [Line Items]
Goodwill		$ 0.0	$ 350.2
Hawthorne | True Liberty Bags
Business Acquisition [Line Items]
Consideration for the acquisition	$ 10.1
Inventory and accounts receivable acquired	1.1
Finite-lived intangible assets acquired	5.8
Goodwill	$ 3.2
Hawthorne | True Liberty Bags | Minimum
Business Acquisition [Line Items]
Intangible assets amortization period	15 years

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