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Principal Accounting Policies (Policy)
6 Months Ended
Jun. 30, 2011
Principal Accounting Policies  
Basis Of Presentation
Earnings Per Share ("EPS")

 
Earnings per Share ("EPS")

Basic EPS is computed by dividing reported earnings by the weighted-average common shares outstanding. Diluted EPS is calculated as follows:

(Dollars in thousands except per share data)
 
Three Months Ended
June 30,
   
Six Months Ended
June 30,
 
   
2011
   
2010
   
2011
   
2010
 
Numerator:
                       
Net income available to common
                       
 shareholders, as reported
  $ 29,422     $ 13,863     $ 36,344     $ 9,826  
                                 
Denominator:
                               
Weighted-average common shares outstanding
    55,413,243       51,665,047       55,227,528       50,506,809  
Stock options and nonvested stock
    722,822       697,360       711,802       677,894  
      56,136,065       52,362,407       55,939,330       51,184,703  
                                 
Diluted earnings per share
  $ 0.52     $ 0.26     $ 0.65     $ 0.19  
                                 
Antidilutive securities excluded from the
                               
computation of diluted EPS
    2,004,579       1,559,367       2,004,579       1,578,359  
                                 

Reclassifications

Reclassifications

Certain amounts in the prior-period financial statements have been reclassified to conform to the current-period presentation.