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Accrued Payroll and Benefit Costs (Tables) | 12 Months Ended
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Dec. 31, 2020
Payables and Accruals [Abstract] |
Accrued Payroll Costs and Retirement Obligations | Accrued payroll and benefit costs consisted of the following (in thousands):
|  | December 31,
|  | 2020 |  | 2019
Payroll and benefits |  | 311,169 |  |  | 280,918 |
Payroll taxes |  | 67,712 |  |  | 21,831 |
Workers’ compensation |  | 18,996 |  |  | 19,655 |
Accrued payroll and benefit costs |  | $ | 397,877 |  |  | $ | 322,404 |

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