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Accrued Expenses (Tables) | 9 Months Ended
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Sep. 30, 2017
Payables And Accruals [Abstract] |
Summary of Accrued Expenses | Accrued expenses consisted of the following at September 30, 2017 and December 31, 2016 (in thousands):
| September 30, |  |  | December 31, |
| 2017 |  |  | 2016 |
Salaries, wages, payroll taxes and benefits | $ | 56,777 |  |  | $ | 21,138 |
Workers' compensation liability |  | 82,509 |  |  |  | 67,775 |
Property, sales, use and other taxes |  | 29,382 |  |  |  | 6,766 |
Insurance, other than workers' compensation |  | 10,881 |  |  |  | 9,566 |
Accrued interest payable |  | 14,091 |  |  |  | 6,740 |
Accrued merger and integration |  | 20,538 |  |  |  | — |
Other |  | 31,648 |  |  |  | 27,163 |
Total | $ | 245,826 |  |  | $ | 139,148 |

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