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Income Taxes (Tables)
12 Months Ended
Dec. 31, 2012
Income Taxes [Abstract]  
Summary of income tax assets and liabilities
                     
    December 31,
   

  2012  

 

  2011  

        As Adjusted

Income tax (asset) liability

                   

Current

    $ 4,575       $ (5,857 )

Deferred

      286,726         204,421  
Summary of deferred tax assets and liabilities
                     
    December 31,
   

  2012  

 

2011

                  As Adjusted  

Deferred tax assets

                   

Unearned premium reserve reduction

      $  14,952         $  14,336  

Compensation accruals

      13,592         8,304  

Other comprehensive income – net funded status of pension and other postretirement benefit obligations

      8,352         8,798  

Discounting of unpaid claims and claim expenses tax reserves

      4,825         5,388  

Postretirement benefits other than pensions

      2,333         2,743  

Impaired securities

      1,268         5,410  

Unutilized net operating loss carryforward

                   -                 8,394  

Total gross deferred tax assets

          45,322               53,373  

Deferred tax liabilities

                   

Other comprehensive income – net unrealized gains on fixed maturities and equity securities

      228,159         155,941  

Deferred policy acquisition costs

      62,411         66,820  

Life insurance future policy benefit reserve

      18,620         15,704  

Investment related adjustments

      15,375         13,984  

Intangible assets

      4,262         4,262  

Other, net

            3,221                 1,083  

Total gross deferred tax liabilities

        332,048             257,794  

Net deferred tax liability

      $286,726           $204,421  
Income Taxes Expenses
                               
    Year Ended December 31,
   

  2012  

 

  2011  

 

  2010  

        As Adjusted   As Adjusted
       

Current

      $26,331         $18,211         $13,609  

Deferred

      18,976         6,201         16,428  
     

 

 

     

 

 

     

 

 

 

Total income tax expense

      $45,307         $24,412         $30,037  
     

 

 

     

 

 

     

 

 

 
Income Taxes Expenses Reconciliation
                               
    Year Ended December 31,
   

  2012  

 

  2011  

 

  2010  

        As Adjusted   As Adjusted
       

Expected federal tax on income

      $52,210         $33,221         $38,560  

Add (deduct) tax effects of:

                             

Tax-exempt interest

      (6,836 )       (7,072 )       (7,034 )

Dividend received deduction

      (2,132 )       (2,010 )       (1,660 )

Resolution of contingent tax liabilities

      -         -         (1,429 )

Other, net

          2,065               273             1,600  

Income tax expense provided on income

      $45,307         $24,412         $30,037  
Unrecognized tax benefits, excluding interest and penalties
                     
        Year Ended December 31,    
   

  2012  

 

  2011  

     

Balance as of the beginning of the year

      $    -             $ 38       

Additions based on tax positions related to the current year

      -             -       

Settlements in tax positions for prior years

            -               (38)      

Balance as of the end of the year

      $    -             $    -       
Summary of Interest and penalties
                               
    Year Ended December 31,
    2012   2011   2010

Interest and penalties expense (benefit), net of releases of previous provisions, recognized in the Consolidated Statements of Operations:

                             

Gross

    $ 468       $ (279 )     $ 27  

Net of tax

      304         (181 )       16  
     
    December 31,    
    2012   2011  

Interest and penalties (asset) liability included in Other Assets or Other Liabilities in the Consolidated Balance Sheets

    $ 307       $ 3