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Earnings per Share ("EPS")
6 Months Ended
Jun. 30, 2013
Earnings Per Share ("EPS")
NOTE 12. 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,
2013 and 2012.
             
Basic earnings per common share
             
  Three Months Ended June 30, Six Months Ended June 30,
  2013 2012 2013 2012
Net income applicable to common shareholders$45,648 $37,793 $88,047 $61,266
Weighted average common shares outstanding 186,812  187,616  186,710  179,471
Basic earnings per common share$0.24 $0.20 $0.47 $0.34
             
Diluted earnings per common share
             
  Three Months Ended June 30, Six Months Ended June 30,
  2013 2012 2013 2012
Net income available to common shareholders$45,648 $37,793 $88,047 $61,266
Weighted average common shares outstanding 186,812  187,616  186,710  179,471
Dilutive potential common shares 911  685  902  685
Total diluted average common shares outstanding 187,723  188,301  187,612  180,156
Diluted earnings per common share$0.24 $0.20 $0.47 $0.34

For the three months ended June 30, 2013 and 2012, weighted average options to purchase 1,490 and 2,075 shares, respectively, were outstanding but were not included in the computation of diluted EPS because the effect of the options would have been antidilutive for the period. For the six months ended June 30, 2013 and 2012, weighted average options to purchase 1,530 and 2,173 shares, respectively, were outstanding but were not included in the computation of diluted EPS because the effect of the options would have been antidilutive for the period.