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Earnings per Common Share (Tables)
6 Months Ended
Jun. 30, 2012
Earnings per Common Share [Abstract]  
Potential common shares excluded from diluted earnings per common share
                                 
    Three Months Ended
June  30,
    Six Months Ended
June 30,
 

(Amounts in thousands)

  2012     2011     2012     2011  

Shares related to stock options

    5,045       5,101       5,200       5,117  

Shares related to restricted stock and restricted stock units

    500       28       422       28  

Shares related to preferred stock

    —         29,283       —         42,327  
   

 

 

   

 

 

   

 

 

   

 

 

 

Shares excluded from the computation

    5,545       34,412       5,622       47,472