Twelve Months Ended December 31,

2021

2020

2019

Earnings (numerator)

Net income (loss) attributable to common stockholders

$

228,763

$

98,088

$

153,250

Shares (denominator)

Weighted average common shares outstanding (basic)

44,772

51,004

50,787

Dilutive effect of stock options and stock awards outstanding

1,009

1,129

1,073

Adjusted weighted average common shares outstanding (diluted)

45,781

52,133

51,860

Earnings (loss) per share attributable to common
stockholders

Basic

$

5.11

$

1.92

$

3.02

Diluted

$

5.00

$

1.88

$

2.96

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

1

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