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GOODWILL AND INTANGIBLE ASSETS - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jun. 29, 2025 | Jun. 30, 2024 | Jun. 29, 2025 | Jun. 30, 2024
Intangible Asset, Acquired, Indefinite-Lived [Line Items] |  |  |  |
Impairment of intangible assets | $ 0.0 | $ 0.0 | $ 15.7 | $ 43.0
HPC | Tradenames |  |  |  |
Intangible Asset, Acquired, Indefinite-Lived [Line Items] |  |  |  |
Impairment of intangible assets |  |  | $ 15.7 |

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