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v3.25.2

Related Parties - Related Party Transactions (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024 | Sep. 30, 2024
Related Party Transaction [Line Items] |  |  |  |  |
Revenues | $ 779,277 | $ 517,794 | $ 1,912,507 | $ 1,285,726 |
Subcontracting Services | (647,467) | (434,302) | (1,632,776) | (1,111,553) |
Expense incurred | (51,026) | (37,987) | (141,954) | (109,422) |
Acquisition related costs | 1,816 | 941 | 22,174 | 2,239 |
Related Party |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Expense incurred | (600) |  | (1,800) |  |
Acquisition related costs |  |  | 800 |  |
Related Party | Purchaser of Subsidiary |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Revenues | 0 | 0 | 0 | 0 |
Accounts receivable | 207 |  | 207 |  | $ 207
Related Party | Disposed Entity |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Revenues | 0 | 0 | 0 | 0 |
Accounts receivable | 132 |  | 132 |  | 132
Related Party | Land Development Project |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Revenues | 0 | 0 | 0 | 0 |
Accounts receivable | 548 |  | 548 |  | 548
Related Party | Subcontracting Services |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Subcontracting Services | (4,466) | (2,596) | (7,584) | (5,214) |
Accounts payable | (730) |  | (730) |  | (239)
Related Party | Island Pond |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Expense incurred | (100) | (100) | (300) | (300) |
Accounts payable | 0 |  | 0 |  | 0
Related Party | SunTx |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Expense incurred | (453) | $ (523) | (2,291) | $ (1,405) |
Accounts payable | $ 0 |  | $ 0 |  | $ 0

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