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Earnings Per Share
 3 Months Ended
Mar. 31, 2022
Earnings Per Share [Abstract]  
Earnings Per Share 9. Earnings Per Share

The following table sets forth the computations of basic and diluted earnings per share:

Three months ended

March 31,

2022

2021

Net income

$

158,294

$

127,101

Shares:

Weighted-average number of common shares outstanding (for basic calculation)

28,043

28,125

Dilutive stock awards

258

457

Weighted-average number of common shares outstanding (for diluted calculation)

28,301

28,582

Basic earnings per share

$

5.64

$

4.52

Diluted earnings per share

$

5.59

$

4.45

 

The following stock awards were excluded from the calculation of diluted earnings per share:

Three months ended

March 31,

2022

2021

Stock awards subject to performance conditions

55

69

Stock awards that were antidilutive

142

48

Total stock awards excluded from diluted earnings per share

197

117