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Other Financial Information (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023 | Jun. 05, 2024 | Sep. 30, 2023
Accrued expenses and other current liabilities |  |  |  |  |  |
Accrued salaries and benefits | $ 640,400 |  | $ 640,400 |  |  | $ 599,800
Accrued contract costs | 1,389,700 |  | 1,389,700 |  |  | 1,340,400
Other accrued expenses | 384,200 |  | 384,200 |  |  | 347,300
Total | 2,414,250 |  | 2,414,250 |  |  | 2,287,546
Restructuring costs | 29,025 | $ 9,115 | 80,670 | $ 50,547 |  |
Accrued restructuring expenses | 22,400 | $ 28,300 | 22,400 | 28,300 |  |
Dividend paid per share in cash |  |  |  |  | $ 0.22 |
Accrued and unpaid dividend | 32,500 |  | 32,500 |  |  |
Labor-related costs |  |  |  |  |  |
Accrued expenses and other current liabilities |  |  |  |  |  |
Restructuring costs |  |  | 15,100 | 20,300 |  |
Non-labor |  |  |  |  |  |
Accrued expenses and other current liabilities |  |  |  |  |  |
Restructuring costs |  |  | 65,600 | $ 30,200 |  |
Professional liability accrual |  |  |  |  |  |
Accrued expenses and other current liabilities |  |  |  |  |  |
Accrued contract costs | $ 824,100 |  | $ 824,100 |  |  | $ 809,600

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