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Earnings per Share ("EPS") (Tables)
9 Months Ended
Sep. 30, 2014
Earnings Per Share [Abstract]  
Basic And Diluted Earnings Per Common Share
NOTE 10. Earnings per Share ("EPS")
             
 The following tables set forth the calculation of basic and diluted EPS for the three-month and nine-month periods ended
September 30, 2014 and 2013.
             
Basic earnings per common share
             
  Three Months Ended September 30, Nine Months Ended September 30,
  2014 2013 2014 2013
Net income applicable to common shareholders$33,468 $44,291 $114,124 $132,338
Average common shares outstanding 184,985  187,096  186,683  186,840
Basic earnings per common share$0.18 $0.24 $0.61 $0.71
             
Diluted earnings per common share
             
  Three Months Ended September 30, Nine Months Ended September 30,
  2014 2013 2014 2013
Net income available to common shareholders$33,468 $44,291 $114,124 $132,338
Average common shares outstanding 184,985  187,096  186,683  186,840
Dilutive potential common shares 739  1,013  762  976
Total diluted average common shares outstanding 185,724  188,109  187,445  187,816
Diluted earnings per common share$0.18 $0.24 $0.61 $0.70