Three Months Ended
June 30,

Six Months Ended
June 30,

2023

2022

2023

2022

Numerator (in millions):

Net income available to common stockholders

$

28.9

$

32.3

$

62.1

$

68.8

Denominator (in thousands):

Weighted average common shares outstanding

24,868

24,805

24,835

24,798

Dilutive effect of stock options and awards

112

166

175

169

Denominator for diluted earnings per share

24,980

24,971

25,010

24,967

Net income per share, basic:

$

1.16

$

1.30

$

2.50

$

2.77

Net income per share, diluted:

$

1.16

$

1.29

$

2.48

$

2.76