2021

2020

2019

Numerator-

Numerator for basic and diluted earnings per share −

Net income available to common shareholders

$

241,415

$

114,887

$

141,583

Denominator-

Denominator for basic earnings per share – weighted average shares outstanding

55,892

54,866

54,988

Effect of dilutive securities−

Employee and director stock options and restricted share awards

1,986

1,376

1,368

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

57,878

56,242

56,356

Basic earnings per common share

$

4.32

$

2.09

$

2.57

Diluted earnings per common share and common share equivalents

$

4.17

$

2.04

$

2.51