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Supporting Financial Information - Accounts Payable, Accrued Expense and Other Current Liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Sep. 30, 2022
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Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |
Accounts payable | $ 16,489 | $ 11,886
Accrued benefits (a) | 3,108 | 3,857
Accrued bonus and incentive compensation | 916 | 3,625
Accrued workers' compensation insurance | 2,795 | 4,880
Accrued fringe (b) | 1,099 | 775
Accrued interest payable | 1,088 | 0
Accrued purchase price adjustment | 3,379 | 0
Other accrued expenses | 3,837 | 1,839
Accounts payable and accrued liabilities | $ 32,711 | $ 26,862

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