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Accrued Expenses and Other Current Liabilities | 12 Months Ended
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Dec. 31, 2024
Payables and Accruals [Abstract] |
Accrued Expenses and Other Current Liabilities | 10. Accrued Expenses and Other Current Liabilities Accrued expenses and other current liabilities consisted of the following at December 31, 2024 and December 31, 2023 (in thousands):
|  | 2024 |  |  | 2023 |
Salaries and wages |  | $ | 119,122 |  |  | $ | 102,779 |
Employee benefits |  |  | 371,435 |  |  |  | 342,707 |
Self-insurance liability |  |  | 17,723 |  |  |  | 24,193 |
Project cost accruals |  |  | 307,200 |  |  |  | 254,070 |
Other accrued expenses |  |  | 78,945 |  |  |  | 77,674 |
Total accrued expenses and other current liabilities |  | $ | 894,425 |  |  | $ | 801,423 |

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- Definition The entire disclosure for accounts payable, accrued expenses, and other liabilities that are classified as current at the end of the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 720 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483384/720-30-45-1 + Details
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