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INVESTMENTS - Narrative (Details) - USD ($) $ in Thousands |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
May 01, 2025 | Sep. 30, 2024 | Sep. 30, 2025
Schedule of Equity Method Investments [Line Items] |  |  |
Investments at fair value | $ 263,000 |  |
Equity-method investments | 213,000 | $ 349 | $ 214,133
Preferred equity investment | 50,000 | 0 | $ 52,086
Paid in kind |  |  | 10.00%
Paid-in-kind interest income |  |  | $ 2,086
Other investment, impairment charge |  | $ 3,131 |
Propelis |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Income from equity method investment |  |  | 1,132
Equity method income |  |  | 1,937
Equity Method Investment, Amortization Expense |  |  | $ 805
Disposal Group, Disposed of by Sale, Not Discontinued Operations | SGK Brand Solutions |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Sale of SGK business | $ 50,000 |  |
Propelis |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Equity ownership percentage (as percent) | 40.00% |  |

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