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Income Taxes (Tables)
12 Months Ended
Dec. 31, 2011
Income Taxes  
Schedule of income tax expense (benefit)
 
  Year Ended
December 31,
 
 
  2011   2010   2009  
 
  (in thousands)
 

Current

                   

Federal

  $ 141,305   $ 13,434   $ 33,651  

State

    7,972     1,262     2,866  
               

Total current

    149,277     14,696     36,517  
               

Deferred

                   

Federal

    40,350     808     (6,613 )

State

    19,936     (1,721 )   (669 )
               

Total deferred

    60,286     (913 )   (7,282 )
               

Total income tax expense

  $ 209,563   $ 13,783   $ 29,235  
 
Schedule of reconciliation of total income tax expense (benefit) to income tax expense (benefit) computed by applying the statutory federal income tax rate (35%) to pre-tax income (loss)

 

 

 
  Year Ended
December 31,
 
 
  2011   2010   2009  
 
  (in thousands)
 

Tax computed at federal statutory rate

  $ 205,843   $ 9,826   $ 34,506  

State income taxes, net of federal tax benefit

    20,600     1,923     5,402  

State tax incentives, net of federal tax expense

    (3,174 )   (2,382 )   (3,205 )

Domestic production activities deduction

    (10,562 )   (2,025 )   (3,798 )

Federal tax credit for production of ultra-low sulfur diesel fuel

            (4,783 )

Non-deductible share-based compensation

    2,000     6,747     1,457  

IRS interest (income)/expense, net

    34     (814 )    

Noncontrolling interest

    (11,474 )        

Partnership basis adjustment

    4,174          

Other, net

    2,122     508     (344 )
               

Total income tax expense

  $ 209,563   $ 13,783   $ 29,235  
               
Schedule of income tax effect of temporary differences that give rise to significant portions of the deferred income tax assets and deferred income tax liabilities

 

 

 
  Year Ended
December 31,
 
 
  2011   2010  
 
  (in thousands)
 

Deferred income tax assets:

             

Allowance for doubtful accounts

  $ 475   $ 286  

Personnel accruals

    6,437     10,389  

Inventories

    2,097     469  

Unrealized derivative losses, net

        1,604  

Low sulfur diesel fuel credit carry forward and other general business credit carryforward

        23,653  

Accrued expenses

    101     199  

State tax credit carryforward, net of federal expense

    17,682     29,955  

Deferred financing

    76     101  

Other

    2,695     3,018  
           

Total gross deferred income tax assets

    29,563     69,674  
           

Deferred income tax liabilities:

             

Unrealized derivative gains, net

    (31,990 )    

Property, plant, and equipment

    (224,452 )   (323,839 )

Investment in CVR Partners

    (134,920 )    

Prepaid expenses

    (4,945 )   (1,427 )
           

Total gross deferred income tax liabilities

    (396,307 )   (325,266 )
           

Net deferred income tax liabilities

  $ (366,744 ) $ (255,592 )
           
Schedule of reconciliation of the unrecognized tax benefits

 

 

 
  Year Ended
December 31,
 
 
  2011   2010   2009  
 
  (in thousands)
 

Balance beginning of year

  $ 245   $   $  

Increase based on prior year tax positions

        245      

Decrease based on prior year tax positions

             

Increases and decrease in current year tax positions

    17,467          

Settlements

             

Reductions related to expirations of statute of limitations

             
               

Balance end of year

  $ 17,712   $ 245   $