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Accrued Liabilities (Tables) | 12 Months Ended
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Dec. 31, 2019
Payables And Accruals [Abstract] |
Summary of Accrued Expenses | Accrued expenses consisted of the following at December 31, 2019 and 2018 (in thousands):
|  | 2019 |  |  | 2018 |
Salaries, wages, payroll taxes and benefits |  | $ | 57,615 |  |  | $ | 66,285 |
Workers’ compensation liability |  |  | 81,112 |  |  |  | 83,772 |
Property, sales, use and other taxes |  |  | 22,404 |  |  |  | 25,318 |
Insurance, other than workers’ compensation |  |  | 9,218 |  |  |  | 9,531 |
Accrued interest payable |  |  | 12,021 |  |  |  | 15,774 |
Other |  |  | 37,480 |  |  |  | 35,266 |
Accrued liabilities |  | $ | 219,850 |  |  | $ | 235,946 |

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