XML 80 R13.htm IDEA: XBRL DOCUMENT v2.4.0.6
Accrued and Other Current Liabilities
 12 Months Ended
Dec. 31, 2012
Accrued and Other Current Liabilities [Abstract]  
ACCRUED AND OTHER CURRENT LIABILITIES
(6) ACCRUED AND OTHER CURRENT LIABILITIES

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

 

                 
    2012     2011  
    (Thousands of dollars)  

Deferred revenue

   $ 76,410     $ —    

Salaries & wages

     15,920       8,699  

Incentive compensation

     6,253       3,029  

Interest

     5,649       5,877  

Vacation payable

     4,871       4,305  

Group medical

     1,845       1,695  

Transportations tax

     1,545       1,448  

Operating lease

     862       880  

Workers compensation

     1,137       678  

Other

     2,670       2,440  
   

 

 

    

 

 

  

Total accrued liabilities

   $ 117,162     $ 29,051