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GOODWILL AND INTANGIBLES (Tables) | 12 Months Ended
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Sep. 30, 2025
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Goodwill | The following table provides a summary of the carrying value of goodwill by segment as of September 30, 2025, 2024 and 2023.
| At September 30, 2023 |  | Goodwill from acquisitions (a) |  |  |  | Foreign currency translation adjustments |  | At September 30, 2024 |  | Impairment Charges |  | Goodwill from acquisitions (b) |  |  | Foreign currency translation adjustments |  | At September 30, 2025
Consumer and Professional Products | $ | 136,611 |  |  | $ | 1,483 |  |  |  |  | $ | 46 |  |  | $ | 138,140 |  |  | $ | (136,612) |  |  | $ | 230 |  |  |  | $ | (94) |  |  | $ | 1,664 |
Home and Building Products | 191,253 |  |  | — |  |  |  |  | — |  |  | 191,253 |  |  | — |  |  | — |  |  |  | — |  |  | 191,253 |
Total | $ | 327,864 |  |  | $ | 1,483 |  |  |  |  | $ | 46 |  |  | $ | 329,393 |  |  | $ | (136,612) |  |  | $ | 230 |  |  |  | $ | (94) |  |  | $ | 192,917 |
(a) The change in goodwill for the CPP segment relates to the initial purchase price allocation of the Pope acquisition in 2024. (b) The change in goodwill for the CPP segment is due to final purchase price allocation adjustments recorded during the year ended September 30, 2025 related to the 2024 Pope acquisition.
Schedule of Identifiable Intangible Assets | The following table provides the gross carrying value and accumulated amortization for each major class of intangible asset:
| At September 30, 2025 |  |  |  | At September 30, 2024
| Gross Carrying Amount |  | Accumulated Amortization |  | Average Life (Years) |  | Gross Carrying Amount |  | Accumulated Amortization
Customer relationships & other | $ | 449,203 |  |  | $ | 153,507 |  |  | 17 |  | $ | 450,784 |  |  | $ | 134,296 |
Unpatented technology | 18,596 |  |  | 10,147 |  |  | 10 |  | 17,350 |  |  | 6,859 |
Total amortizable intangible assets | 467,799 |  |  | 163,654 |  |  |  |  | 468,134 |  |  | 141,155 |
Trademarks | 183,969 |  |  | — |  |  |  |  | 291,803 |  |  | — |
Total intangible assets | $ | 651,768 |  |  | $ | 163,654 |  |  |  |  | $ | 759,937 |  |  | $ | 141,155 |
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