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Fair Value Measurements (Details) - USD ($) $ in Thousands | Jun. 30, 2024 | Sep. 30, 2023
--- | --- | ---
Assets: |  |
Life insurance policies | $ 20,158 | $ 19,040
Recurring |  |
Assets: |  |
Derivatives | 2,257 | 4,006
Equity and fixed income mutual funds | 1,484 | 699
Life insurance policies | 4,835 | 4,926
Total assets at fair value | 8,576 | 9,631
Liabilities: |  |
Derivatives | 21,279 | 2,766
Total liabilities at fair value | 21,279 | 2,766
Recurring | Level 1 |  |
Assets: |  |
Derivatives | 0 | 0
Equity and fixed income mutual funds | 0 | 0
Life insurance policies | 0 | 0
Total assets at fair value | 0 | 0
Liabilities: |  |
Derivatives | 0 | 0
Total liabilities at fair value | 0 | 0
Recurring | Level 2 |  |
Assets: |  |
Derivatives | 2,257 | 4,006
Equity and fixed income mutual funds | 1,484 | 699
Life insurance policies | 4,835 | 4,926
Total assets at fair value | 8,576 | 9,631
Liabilities: |  |
Derivatives | 21,279 | 2,766
Total liabilities at fair value | 21,279 | 2,766
Recurring | Level 3 |  |
Assets: |  |
Derivatives | 0 | 0
Equity and fixed income mutual funds | 0 | 0
Life insurance policies | 0 | 0
Total assets at fair value | 0 | 0
Liabilities: |  |
Derivatives | 0 | 0
Total liabilities at fair value | $ 0 | $ 0

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