Twelve Months Ended December 31,

2022

2021

2020

Earnings (numerator)

Net income attributable to common stockholders

$

331,283

$

228,763

$

98,088

Shares (denominator)

Weighted average common shares outstanding (basic)

45,330

44,772

51,004

Dilutive effect of stock options and stock awards outstanding

706

1,009

1,129

Adjusted weighted average common shares outstanding (diluted)

46,036

45,781

52,133

Earnings per share attributable to common stockholders

Basic

$

7.31

$

5.11

$

1.92

Diluted

$

7.20

$

5.00

$

1.88

Stock options and stock awards excluded from EPS
   calculation because their inclusion would be
   anti-dilutive

82

1

-