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Discontinued Operations, Goodwill, and Intangible Assets - Balance sheet (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Sep. 30, 2023
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Summary of financial information of the Disposal Group is as follows: |  |
Long-term liabilities held for sale | $ 828 | $ 792
Held for sale |  |
Summary of financial information of the Disposal Group is as follows: |  |
Cash and cash equivalents | 1,000 | 1,900
Receivables and contract assets | 84,900 | 93,300
Current assets held for sale | 85,900 | 95,200
Property and equipment, net | 14,200 | 14,200
Write-down of assets to fair value less cost to sell | (14,200) | (14,200)
Accounts payable and accrued expenses | 39,400 | 45,600
Current liabilities held for sale | 39,400 | 45,600
Long-term liabilities held for sale | $ 800 | $ 800

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