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Other Financial Information (Tables) | 9 Months Ended
--- | ---
Jun. 30, 2024
Other Financial Information |
Schedule of accrued expenses and other current liabilities | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | June 30, |  | September 30,
​ | ​ | 2024 | ​ | 2023
​ | ​ | (in millions)
Accrued salaries and benefits | ​ | $ | 640.4 | ​ | $ | 599.8
Accrued contract costs | ​ |  | 1,389.7 | ​ | ​ | 1,340.4
Other accrued expenses | ​ |  | 384.2 | ​ | ​ | 347.3
Total | ​ | $ | 2,414.3 | ​ | $ | 2,287.5

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