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Other Financial Information (Details) - USD ($) $ in Thousands | 9 Months Ended |
--- | --- | ---
Jun. 30, 2018 | Sep. 30, 2017
Accrued expenses and other current liabilities |  |
Accrued salaries and benefits | $ 938,900 | $ 1,018,500
Accrued contract costs | 853,300 | 911,900
Other accrued expenses | 392,500 | 315,100
Total accrued expenses | 2,184,672 | 2,245,519
Restructuring charges | 26,700 |
Payments for restructuring charges | 23,300 |
Accounts receivable-net | 5,447,985 | 5,127,743
Accelerated recovery of pension entitlement |  |
Accrued expenses and other current liabilities |  |
Accounts receivable-net | 50,000 |
Professional liability accrual |  |
Accrued expenses and other current liabilities |  |
Accrued contract costs | $ 540,500 | $ 547,900

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