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v3.25.1

GOODWILL AND INTANGIBLE ASSETS - Intangible Assets (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Mar. 31, 2025 | Mar. 31, 2024 | Sep. 30, 2024
Finite-lived intangible assets: |  |  |  |  |
Cost | $ 204,820 |  | $ 204,820 |  |
Accumulated Amortization | (48,507) |  | (48,507) |  |
Carrying Value | 156,313 |  | 156,313 |  |
Total identifiable intangible assets |  |  |  |  |
Cost | 204,838 |  | 204,838 |  |
Accumulated Amortization | (48,507) |  | (48,507) |  |
Carrying Value | 156,331 |  | 156,331 |  | $ 162,816
Amortization expense of intangible assets | 3,242 | $ 3,113 | 6,485 | $ 6,259 |
Trademarks |  |  |  |  |
Indefinite-Lived Intangible Assets [Line Items] |  |  |  |  |
Indefinite-lived intangible assets: | 18 |  | 18 |  |
Customer relationships |  |  |  |  |
Finite-lived intangible assets: |  |  |  |  |
Cost | 199,720 |  | 199,720 |  |
Accumulated Amortization | (44,789) |  | (44,789) |  |
Carrying Value | 154,931 |  | 154,931 |  |
Total identifiable intangible assets |  |  |  |  |
Accumulated Amortization | $ (44,789) |  | $ (44,789) |  |
Customer relationships | Minimum |  |  |  |  |
Finite-lived intangible assets: |  |  |  |  |
Amortization life | 9 years |  | 9 years |  |
Customer relationships | Maximum |  |  |  |  |
Finite-lived intangible assets: |  |  |  |  |
Amortization life | 25 years |  | 25 years |  |
Trade names |  |  |  |  |
Finite-lived intangible assets: |  |  |  |  |
Cost | $ 4,741 |  | $ 4,741 |  |
Accumulated Amortization | (3,480) |  | (3,480) |  |
Carrying Value | 1,261 |  | 1,261 |  |
Total identifiable intangible assets |  |  |  |  |
Accumulated Amortization | $ (3,480) |  | $ (3,480) |  |
Trade names | Minimum |  |  |  |  |
Finite-lived intangible assets: |  |  |  |  |
Amortization life | 2 years |  | 2 years |  |
Trade names | Maximum |  |  |  |  |
Finite-lived intangible assets: |  |  |  |  |
Amortization life | 5 years |  | 5 years |  |
Non-Compete Agreements And Other Intangible Assets |  |  |  |  |
Finite-lived intangible assets: |  |  |  |  |
Cost | $ 359 |  | $ 359 |  |
Accumulated Amortization | (238) |  | (238) |  |
Carrying Value | 121 |  | 121 |  |
Total identifiable intangible assets |  |  |  |  |
Accumulated Amortization | $ (238) |  | $ (238) |  |
Non-Compete Agreements And Other Intangible Assets | Minimum |  |  |  |  |
Finite-lived intangible assets: |  |  |  |  |
Amortization life | 3 years |  | 3 years |  |
Non-Compete Agreements And Other Intangible Assets | Maximum |  |  |  |  |
Finite-lived intangible assets: |  |  |  |  |
Amortization life | 8 years |  | 8 years |  |

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