2019

2018

2017

Numerator-

Numerator for basic and diluted earnings per share −

Net income available to common shareholders

$

141,583

$

139,062

$

172,129

Denominator-

Denominator for basic earnings per share – weighted average shares outstanding

36,659

39,223

39,627

Effect of dilutive securities−

Employee and director stock options and restricted share awards

912

1,070

1,353

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

37,571

40,293

40,980

Basic earnings per common share

$

3.86

$

3.55

$

4.34

Diluted earnings per common share and common share equivalents

$

3.77

$

3.45

$

4.20