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Summary of Accrued Liabilities (Detail) - USD ($) $ in Thousands | Jun. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Payables And Accruals [Abstract] |  |
Salaries, wages, payroll taxes and benefits | $ 28,153 | $ 57,615
Workers' compensation liability | 74,700 | 81,112
Property, sales, use and other taxes | 26,227 | 22,404
Insurance, other than workers' compensation | 9,186 | 9,218
Accrued interest payable | 11,904 | 12,021
Accrued restructuring expenses | 7,829 |
Other | 32,373 | 37,480
Accrued liabilities | $ 190,372 | $ 219,850

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