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Contracts with Customers - Additional Information (Details) - USD ($) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023 | Dec. 31, 2023
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] |  |  |  |  |
Revenue recognized included contract liability | $ 30,900,000 | $ 29,600,000 | $ 169,200,000 | $ 107,700,000 |
Impairment of contract assets | 0 | 0 | 0 | 0 |
Impact of changes in estimated claims or incentives on revenue |  |  | 5,000,000 | 5,000,000 |
Remaining unsatisfied performance obligations | $ 6,200,000,000 |  | $ 6,200,000,000 |  |
U.S. Federal Government and Agencies |  |  |  |  |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] |  |  |  |  |
Receivables from contracts rate | 25.00% |  | 25.00% |  | 18.00%
Critical Infrastructure | Direct Costs Write-Down |  |  |  |  |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] |  |  |  |  |
Changes in estimates related to direct costs of contracts |  | $ 24,700,000 |  | $ 24,700,000 |

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