Three Months Ended

September 30,

Nine Months Ended

September 30,

2013

2012

2013

2012

Numerator:

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

$

15,179

$

14,909

$

34,358

$

48,237

Denominator–

Denominator for basic earnings per share – weighted average shares outstanding

39,558

38,740

39,411

38,602

Effect of dilutive securities–

Employee and director stock options and restricted share awards

1,065

862

1,081

1,031

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

40,623

39,602

40,492

39,633

Basic earnings per common share

$

.38

$

.38

$

.87

$

1.25

Diluted earnings per common share and common share equivalents

$

.37

$

.38

$

.85

$

1.22