2022

2021

2020

Numerator-

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

$

391,382

$

241,415

$

114,887

Denominator-

Denominator for basic earnings per share – weighted average shares outstanding

55,400

55,892

54,866

Effect of dilutive securities− Employee and director stock options and restricted share awards

1,751

1,986

1,376

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

57,151

57,878

56,242

Basic earnings per common share

$

7.06

$

4.32

$

2.09

Diluted earnings per common share and common share equivalents

$

6.85

$

4.17

$

2.04