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Accrued Liabilities (Tables) | 9 Months Ended
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Sep. 30, 2019
Payables And Accruals [Abstract] |
Summary of Accrued Liabilities | Accrued liabilities consisted of the following at September 30, 2019 and December 31, 2018 (in thousands):
| September 30, 2019 |  |  | December 31, 2018 |
Salaries, wages, payroll taxes and benefits | $ | 54,748 |  |  | $ | 58,160 |
Workers' compensation liability |  | 74,700 |  |  |  | 83,772 |
Property, sales, use and other taxes |  | 36,530 |  |  |  | 25,318 |
Insurance, other than workers' compensation |  | 8,488 |  |  |  | 9,531 |
Accrued interest payable |  | 10,133 |  |  |  | 15,774 |
Other |  | 36,039 |  |  |  | 43,391 |
Total |  | 220,638 |  |  | $ | 235,946 |

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