v3.6.0.2
Accrued and Other Current Liabilities (Tables)
 12 Months Ended
Dec. 31, 2016
Payables and Accruals [Abstract]  
Schedule of Accrued Liabilities

Accrued and other current liabilities as of December 31 consisted of the following:

 

     2016      2015  
     (Thousands of dollars)  

Salaries & wages

    $ 5,949       $ 19,955   

Incentive compensation

      1,576         2,819   

Income taxes

      587         1,453   

Interest

      8,057         7,925   

Vacation payable

      5,700         5,801   

Group medical

      1,892         1,944   

Transportations tax

      427         892   

Operating lease

      769         814   

Workers compensation

      865         1,047   

Other

      2,524         2,109   
  

 

 

     

 

 

  

Total accrued liabilities

    $ 28,346       $ 44,759