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IMPAIRMENT, RESTRUCTURING AND OTHER - Additional Information (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Mar. 30, 2024 | Apr. 01, 2023 | Mar. 30, 2024 | Apr. 01, 2023
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring reserve, long-term | $ 9.2 |  | $ 9.2 |
Restructuring Initiative |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring charges and adjustments |  | $ 136.8 |  | $ 151.4
Restructuring Initiative |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring charges and adjustments | 77.0 |  | 73.2 |
U.S. Consumer |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring charges and adjustments |  |  | 46.0 |
Hawthorne |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring charges and adjustments |  |  | 294.4 |
Other |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring charges and adjustments |  |  | 1.8 |
Corporate Segment | Restructuring Initiative |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring charges and adjustments |  |  | 25.1 |
Cost of sales—impairment, restructuring and other | U.S. Consumer |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring charges and adjustments | (0.5) | 0.2 | 1.4 | 1.2
Cost of sales—impairment, restructuring and other | Hawthorne |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring charges and adjustments | 75.4 | 118.5 | 67.8 | 127.0
Impairment, Restructuring, And Other | U.S. Consumer |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring charges and adjustments | (0.1) | 0.1 | (0.9) | 0.3
Impairment, Restructuring, And Other | Hawthorne |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring charges and adjustments | 1.9 | 17.1 | 2.3 | 18.2
Impairment, Restructuring, And Other | Other |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring charges and adjustments | 0.2 |  | 0.3 |
Impairment, Restructuring, And Other | Corporate Segment |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring charges and adjustments | 0.0 | $ 0.8 | 2.4 | $ 4.5
Restructuring, Settlement And Impairment Provisions |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
(Gain) Loss on Disposition of Property Plant Equipment | $ 0.0 |  | $ (12.1) |

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