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Earnings Per Share (Tables)
 12 Months Ended
Dec. 31, 2024
Earnings Per Share [Abstract]  
Computation of Basic and Diluted Net Earnings Per Share

The following is a reconciliation of net income and the shares of common stock used in the computation of basic and diluted earnings per share:

 

Year Ended December 31,

 

 

2024

 

 

2023

 

 

2022

 

Numerator:

 

 

 

 

 

 

 

 

 

Net income

 

$

502.0

 

 

$

340.8

 

 

$

281.4

 

Denominator:

 

 

 

 

 

 

 

 

 

Basic weighted average shares outstanding (in thousands)

 

 

56,208

 

 

 

57,707

 

 

 

57,928

 

Dilutive effect of unvested restricted stock and restricted stock units (in thousands)

 

 

88

 

 

 

267

 

 

 

247

 

Diluted weighted average shares outstanding (in thousands)

 

 

56,296

 

 

 

57,974

 

 

 

58,175

 

Earnings per share:

 

 

 

 

 

 

 

 

 

Basic

 

$

8.93

 

 

$

5.91

 

 

$

4.86

 

Diluted

 

$

8.92

 

 

$

5.88

 

 

$

4.84