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Accrued Expenses and Other Current Liabilities | 12 Months Ended
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Dec. 31, 2020
Payables And Accruals [Abstract] |
Accrued Expenses and Other Current Liabilities |
1 1. | Accrued Expenses and Other Current Liabilities
Accrued expenses and other current liabilities consisted of the following at December 31, 2020 and December 31, 2019 (in thousands):
|  | 2020 |  |  | 2019 |
Salaries and wages |  | $ | 72,498 |  |  | $ | 46,685 |
Employee benefits |  |  | 293,768 |  |  |  | 259,081 |
Self-insurance liability |  |  | 32,447 |  |  |  | 29,997 |
Project cost accruals |  |  | 164,243 |  |  |  | 217,729 |
Other accrued expenses |  |  | 87,797 |  |  |  | 86,371 |
Total accrued expenses and other current liabilities |  | $ | 650,753 |  |  | $ | 639,863 |

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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 No definition available. + Details
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