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Business Combination - Total Acquisition Consideration and Fair Value of Net Assets Acquired (Details) - USD ($) $ in Thousands | Dec. 08, 2022 | Sep. 30, 2023 | Sep. 30, 2022
--- | --- | --- | ---
Purchase price allocation: |  |  |
Goodwill |  | $ 138,161 | $ 65,643
GRSI |  |  |
Business Acquisition [Line Items] |  |  |
Purchase price for GRSi | $ 187,997 |  |
Purchase price allocation: |  |  |
Cash | 747 |  |
Accounts receivable | 25,468 |  |
Other current assets | 1,354 |  |
Equipment and improvements, net | 463 |  |
Intangible assets | 98,688 |  |
Accounts payable and accrued expenses | (2,449) |  |
Payroll liabilities | (7,826) |  |
Other current liabilities | (325) |  |
Other long-term assets and liabilities | (781) |  |
Identifiable net assets acquired | 115,339 |  |
Goodwill | $ 72,658 |  |

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