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v3.22.2.2

GOODWILL AND INTANGIBLE ASSETS, NET - Additional Information (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Jul. 02, 2022 | Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2020
Goodwill [Line Items] |  |  |  |
Reallocation |  |  | $ 0.0 |
Amortization expense |  | $ 37.1 | 30.9 | $ 32.5
Goodwill |  | $ 254.0 | 605.2 | 544.1
Impairment, Intangible Asset, Finite-Lived, Statement of Income or Comprehensive Income [Extensible Enumeration] |  | Impairment, restructuring and other |  |
Noncash impairment charge |  | $ 35.3 |  |
Trade names |  |  |  |
Goodwill [Line Items] |  |  |  |
Impairment charge | $ 69.0 |  |  |
Noncash impairment charge |  | 22.5 |  |
Customer relationships |  |  |  |
Goodwill [Line Items] |  |  |  |
Impairment charge | 41.0 |  |  |
Noncash impairment charge |  | 12.8 |  |
Hawthorne |  |  |  |
Goodwill [Line Items] |  |  |  |
Reallocation |  | (15.8) | (15.8) |
Goodwill |  | 0.0 | 350.2 | 305.5
Hawthorne | Goodwill Impairment |  |  |  |
Goodwill [Line Items] |  |  |  |
Restructuring costs | $ 522.4 | 522.4 |  |
U.S. Consumer |  |  |  |
Goodwill [Line Items] |  |  |  |
Reallocation |  | 15.8 | 15.8 |
Goodwill |  | $ 243.9 | $ 243.9 | $ 228.1

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