Three Months Ended September 30,

Nine Months Ended September 30,

2014

2013

2014

2013

Numerator:

Numerator for basic and diluted earnings per share – Net income available to common shareholders

$

23,478

$

15,179

$

55,330

$

34,358

Denominator–

Denominator for basic earnings per share – weighted average shares outstanding

40,008

39,558

39,700

39,411

Effect of dilutive securities–

Employee and director stock options and restricted share awards

1,083

1,065

1,120

1,081

Denominator for diluted earnings per share – adjusted weighted average shares outstanding and assumed conversions

41,091

40,623

40,820

40,492

Basic earnings per common share

$

.59

$

.38

$

1.36

$

.87

Diluted earnings per common share and common share equivalents

$

.57

$

.37

$

1.39

$

.85