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Accounts Payable and Other Accrued Expenses (Details) - USD ($) $ in Thousands | 3 Months Ended |  |  |
--- | --- | --- | --- | ---
Sep. 30, 2023 | Mar. 31, 2024 | Jun. 30, 2023 | Mar. 31, 2023
Payables and Accruals [Abstract] |  |  |  |
Vendor payables |  | $ 653,131 |  | $ 597,808
Accrued expenses |  | 397,539 |  | 718,832
Total accounts payable and other accrued expenses |  | 1,050,670 |  | 1,316,640
U.S. Department of Justice |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Estimate of possible loss |  |  | $ 377,500 | 350,000
Payments for legal settlements | $ 350,000 |  |  |
Unfavorable Regulatory Action | Claimed Indirect Costs |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Provision for claimed indirect costs |  | $ 363,700 |  | $ 326,700

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