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Accrued Expenses
 12 Months Ended
Dec. 31, 2017
Payables And Accruals [Abstract]  
Accrued Expenses

6. Accrued Expenses

Accrued expenses consisted of the following at December 31, 2017 and 2016 (in thousands):

 

 

 

2017

 

 

2016

 

Salaries, wages, payroll taxes and benefits

 

$

50,443

 

 

$

21,138

 

Workers’ compensation liability

 

 

80,751

 

 

 

67,775

 

Property, sales, use and other taxes

 

 

29,332

 

 

 

6,766

 

Insurance, other than workers’ compensation

 

 

10,816

 

 

 

9,566

 

Accrued interest payable

 

 

7,558

 

 

 

6,740

 

Accrued merger and integration

 

 

16,101

 

 

 

—

 

Other

 

 

31,628

 

 

 

27,163

 

 

 

$

226,629

 

 

$

139,148