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Computation of Net Earnings per Share
9 Months Ended
Sep. 30, 2022
Computation of Net Earnings per Share  
Computation of Net Earnings per Share

Note 7.  Computation of Net Earnings per Share

Basic earnings per share is computed by dividing income available to common stockholders (the numerator) by the weighted-average number of common shares outstanding (the denominator) for the period. The computation of diluted earnings per share is similar to basic earnings per share, except that the denominator is increased by the number of additional common shares that would have been outstanding if the potentially dilutive common shares issuable on exercise of stock options and vesting of RSUs had been issued, calculated using the treasury stock method.

The components of net earnings per share are as follows:

Three months ended

Nine months ended

September 30,

September 30,

    

2022

    

2021

    

2022

    

2021

    

(in thousands, except per share amounts)

Net income available to common stockholders

$

40,283

$

27,515

$

126,087

$

62,901

Weighted average common shares outstanding used in computing basic income per share

 

33,011

 

33,537

 

33,116

 

33,643

Incremental options and RSUs

 

378

 

552

 

522

 

696

Weighted average common shares used in computing diluted net income per share

 

33,389

 

34,089

 

33,638

 

34,339

Net income per share

Basic

$

1.22

$

0.82

$

3.81

$

1.87

Diluted

$

1.21

$

0.81

$

3.75

$

1.83

Diluted weighted average common shares outstanding does not include 5,046 and 347 common equivalent shares issuable with respect to outstanding equity awards for the three-month periods ended September 30, 2022 and 2021, respectively, or 6,692 and 413 common equivalent shares issuable with respect to outstanding equity awards for the nine-month periods ended September 30, 2022 and 2021, respectively, as their effect would have been anti-dilutive.