Three Months Ended

September 30,

Nine Months Ended

September 30,

2022

2021

2022

2021

Numerator:

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

$

90,376

$

69,399

$

293,056

$

172,776

Denominator:

Denominator for basic earnings per share – weighted average shares outstanding

55,232

56,007

55,601

55,882

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

1,643

1,799

1,762

1,952

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

56,875

57,806

57,363

57,834

Basic earnings per common share

$

1.64

$

1.24

$

5.27

$

3.09

Diluted earnings per common share and common share equivalents

$

1.59

$

1.20

$

5.11

$

2.99