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ACQUISITIONS AND INVESTMENTS - Luxx Lighting (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions | Jul. 02, 2022 | Dec. 30, 2021 | Sep. 30, 2021 | Jul. 03, 2021
--- | --- | --- | --- | ---
Business Acquisition [Line Items] |  |  |  |
Common shares stated value (USD per share) | $ 0.01 |  | $ 0.01 | $ 0.01
Goodwill | $ 254.7 |  | $ 605.2 | $ 547.1
Hawthorne |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Goodwill | 0.0 |  | $ 350.2 |
Hawthorne | Luxx Lighting, Inc. |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Consideration for the acquisition |  | $ 213.2 |  |
Number of shares issued in acquisition |  | 0.1 |  |
Common shares stated value (USD per share) |  | $ 0.01 |  |
Fair value of shares issued in acquisition |  | $ 21.0 |  |
Refund liabilities and warranty claims | 8.9 |  |  |
Inventory and accounts receivable acquired |  | 32.8 |  |
Current assets |  | 5.7 |  |
Liabilities |  | 24.2 |  |
Finite-lived intangible assets acquired |  | 47.3 |  |
Goodwill |  | $ 151.6 |  |
Increase (decrease), finite-lived identifiable intangible assets | (59.5) |  |  |
Increase (decrease) in goodwill | $ 59.5 |  |  |
Hawthorne | Luxx Lighting, Inc. | Minimum |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Intangible assets amortization period |  | 5 years |  |
Hawthorne | Luxx Lighting, Inc. | Maximum |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Intangible assets amortization period |  | 25 years |  |

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