v2.4.0.6
Accrued Liabilities (Tables)
12 Months Ended
Dec. 31, 2012
Accrued Liabilities [Abstract]  
Accrued liabilities
                 

In Thousands of Dollars

  2012     2011  

Sales volume discounts payable

  $ 13,940     $ 16,220  

Property taxes payable

    2,937       2,809  

Commissions payable

    1,768       2,053  

Accrued salaries

    4,235       3,548  

Other accrued liabilities

    558       682  
   

 

 

   

 

 

 

Total accrued liabilities

  $ 23,438     $ 25,312