v2.4.0.6
Income Taxes (Tables)
12 Months Ended
Dec. 31, 2012
Income Taxes [Abstract]  
Summary of income tax expenses
                         

In Thousands of Dollars

  2012     2011     2010  

Current:

                       

Federal

  $ 14,609     $ 15,098     $ 11,268  

State

    1,041       986       662  

Deferred

    (6,085     9,980       (4,801
   

 

 

   

 

 

   

 

 

 

Total Income Tax Expense

  $ 9,565     $ 26,064     $ 7,129  
   

 

 

   

 

 

   

 

 

 
Summary of differences between the provision for income taxes and income taxes computed using the federal income tax rate
                         

In Thousands of Dollars

  2012     2011     2010  

Amount computed using the statutory rate

  $ 10,282     $ 26,668     $ 7,847  

State income taxes, net of federal tax benefit

    463       990       263  

Qualified domestic production activity deduction

    (1,522     (1,511     (1,198

Other items

    342       (83     217  
   

 

 

   

 

 

   

 

 

 

Total Income Tax Expense

  $ 9,565     $ 26,064     $ 7,129  
   

 

 

   

 

 

   

 

 

 
Summary of net deferred tax liability
                                 
    Deferred Tax Asset (Liability)  
    2012     2011  

In Thousands of Dollars

  Current     Non-current     Current     Non-current  

Depreciation

  $ —       $ (16,945   $ —       $ (15,833

Inventory

    4,313       —         (2,748     —    

Allowance for doubtful accounts

    748       —         762       —    

Uniform capitalization rules

    350       —         259       —    

Other

    378       —         319       —    
   

 

 

   

 

 

   

 

 

   

 

 

 

Deferred income tax asset (liability)

  $ 5,789     $ (16,945   $ (1,408   $ (15,833