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Stockholders' Equity (Tables)
6 Months Ended
Jun. 30, 2023
Stockholders' Equity  
Reconciliation of number of shares outstanding with the number of shares used in computing basic and diluted earnings per share

The following table reconciles the number of shares outstanding with the number of shares used in computing basic and diluted earnings per share for each of the periods presented (in thousands):

Three Months Ended

Six Months Ended

June 30,

June 30,

    

2023

    

2022

    

2023

    

2022

 

Common shares outstanding, end of period

35,770

 

35,781

35,770

 

35,781

Effect of using weighted average common shares outstanding

52

 

189

47

 

241

Shares used in computing earnings per share—basic

35,822

 

35,970

35,817

 

36,022

Effect of shares issuable under stock option plans based on the treasury stock method

26

 

42

26

 

42

Effect of restricted and contingently issuable shares

58

 

61

64

 

66

Shares used in computing earnings per share—diluted

35,906

 

36,073

35,907

 

36,130