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Earnings per Share ("EPS")
6 Months Ended
Jun. 30, 2014
Earnings Per Share [Abstract]  
Earnings Per Share ("EPS")
NOTE 10. Earnings per Share ("EPS")
             
 The following tables set forth the calculation of basic and diluted EPS for the three-month and six-month periods ended
June 30, 2014 and 2013.
             
Basic earnings per common share
             
  Three Months Ended June 30, Six Months Ended June 30,
  2014 2013 2014 2013
Net income applicable to common shareholders$43,494 $45,648 $80,656 $88,047
Average common shares outstanding 187,637  186,812  187,547  186,710
Basic earnings per common share$0.23 $0.24 $0.43 $0.47
             
Diluted earnings per common share
             
  Three Months Ended June 30, Six Months Ended June 30,
  2014 2013 2014 2013
Net income available to common shareholders$43,494 $45,648 $80,656 $88,047
Average common shares outstanding 187,637  186,812  187,547  186,710
Dilutive potential common shares 658  911  749  902
Total diluted average common shares outstanding 188,295  187,723  188,296  187,612
Diluted earnings per common share$0.23 $0.24 $0.43 $0.47

For the three months ended June 30, 2014 and 2013, average options to purchase 1,226 and 1,490 shares, respectively, were outstanding but were not included in the computation of diluted EPS because the options' common stock equivalents were antidilutive. For the six months ended June 30, 2014 and 2013, average options to purchase 1,219 and 1,530 shares, respectively, were outstanding but were not included in the computation of diluted EPS because the options' common stock equivalents were antidilutive.