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Income Taxes (Tables)
12 Months Ended
Dec. 31, 2013
Components of Income Tax Expense (Benefit)

Components of income tax expense/(benefit) are as follows (amounts in thousands):

 

     Year Ended December 31,  
     2013      2012     2011  

Current

       

Federal

   $ 256,545       $ 254,021      $ 165,409   

Foreign

     1,655         9,084        300   

State

     28,490         39,076        22,901   
  

 

 

    

 

 

   

 

 

 
     286,690         302,181        188,610   

Deferred

       

Federal and foreign

     25,341         (21,408     53,056   

State

     3,278         (6,157     5,800   
  

 

 

    

 

 

   

 

 

 
     28,619         (27,565     58,856   
  

 

 

    

 

 

   

 

 

 

Total

   $ 315,309       $ 274,616      $ 247,466   
  

 

 

    

 

 

   

 

 

 
Components of Deferred Taxes

The components of deferred taxes are as follows (amounts in thousands):

 

     Year Ended December 31,  
     2013     2012  

Deferred income tax assets:

    

Self-insurance reserves

   $ 87,483      $ 112,587   

Compensation accruals

     49,302        47,571   

State and foreign net operating loss carryforwards and other state and foreign deferred tax assets

     57,204        54,874   

Other currently non-deductible accrued liabilities

     24,587        29,934   

Net pension liability—OCI only

     6,390        12,061   

Doubtful accounts and other reserves

     33,905        17,562   

Other combined items—OCI only

     9,018        15,282   
  

 

 

   

 

 

 
     267,889        289,871   

Less: Valuation Allowance

     (46,841     (44,511
  

 

 

   

 

 

 

Net deferred income tax assets:

     221,048        245,360   

Deferred income tax liabilities:

    

Depreciable and amortizable assets

     (337,669     (322,317

Other deferred tax liabilities

     (2,624     (2,329
  

 

 

   

 

 

 

Net deferred income tax liabilities

   $ (119,245   $ (79,286
  

 

 

   

 

 

 
Effective Tax Rates Calculation

The effective tax rates, as calculated by dividing the provision for income taxes by income before income taxes, were as follows for each of the years ended December 31, 2013, 2012 and 2011 (dollar amounts in thousands):

 

     2013     2012     2011  

Provision for income taxes

   $ 315,309      $ 274,616      $ 247,466   

Income before income taxes

     869,332        763,663        696,336   
  

 

 

   

 

 

   

 

 

 

Effective tax rate

     36.3     36.0     35.5
  

 

 

   

 

 

   

 

 

 
Reconciliation Between Federal Statutory Rate and Effective Tax Rate

A reconciliation between the federal statutory rate and the effective tax rate is as follows:

 

     Year Ended December 31,  
       2013         2012         2011    

Federal statutory rate

     35.0     35.0     35.0

State taxes, net of federal income tax benefit

     2.5        3.0        2.9   

Nondeductible transaction costs

     —          0.2        —    

Divestiture Gain

     0.3        —          —    

Other items

     0.4        0.1        0.4   

Impact of income attributable to noncontrolling interests

     (1.9     (2.3     (2.8
  

 

 

   

 

 

   

 

 

 

Effective tax rate

     36.3     36.0     35.5
  

 

 

   

 

 

   

 

 

 
Net Deferred Tax Assets and Liabilities

The net deferred tax assets and liabilities are comprised as follows (amounts in thousands):

 

     Year Ended December 31,  
     2013     2012  

Current deferred taxes

    

Assets

   $ 121,097      $ 105,639   

Liabilities

     (1,194     (1,178
  

 

 

   

 

 

 

Total deferred taxes-current

     119,903        104,461   
  

 

 

   

 

 

 

Noncurrent deferred taxes

    

Assets

     103,221        142,065   

Liabilities

     (342,369     (325,812
  

 

 

   

 

 

 

Total deferred taxes-noncurrent

     (239,148     (183,747
  

 

 

   

 

 

 

Total deferred tax liabilities

   $ (119,245   $ (79,286
  

 

 

   

 

 

 
Reconciliation of Unrecognized Tax Benefits

The tabular reconciliation of unrecognized tax benefits for the years ended December 31, 2013, 2012 and 2011 is as follows (amounts in thousands).

 

     As of December 31,  
     2013     2012     2011  

Balance at January 1,

   $ 6,824      $ 7,403      $ 7,923   

Additions based on tax positions related to the current year

     50        200        750   

Additions for tax positions of prior years

     283        386        419   

Reductions for tax positions of prior years

     (1,260     (1,165     (1,628

Settlements

     (2,528     —         (61
  

 

 

   

 

 

   

 

 

 

Balance at December 31,

   $ 3,369      $ 6,824      $ 7,403