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Income Taxes (Tables)
 6 Months Ended
Jun. 30, 2011
Income Taxes [Abstract]  
Reconciliation of the provision for income taxes computed at Federal statutory rates to the effective rates
The following is a reconciliation of the provision for income taxes computed at federal statutory rates to the effective rates:
 
     
For the three months ended
     
For the six months ended
        June 30,        June 30,
     
2011
     
2010
     
2011
 
2010
                           
                           
Consolidated tax provision at federal statutory rate
   
35.0%
     
35.0%
     
35.0%
 
35.0%
Reversal of tax credits
   
               14.8
     
                    -
     
6.4
 
                    -
State income tax provisions, net of federal income
                         
    tax benefit
   
3.5
     
0.9
     
3.8
 
                  1.3
All other, net
   
                (0.9)
     
                 (4.6)
     
                (0.2)
 
                  1.6
Effective tax rate
   
52.4%
     
31.3%
     
45.0%
 
 37.9%