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EARNINGS PER SHARE (Tables)
9 Months Ended
Sep. 30, 2021
Earnings Per Share  
Computation of basic and diluted earnings per share

For the Three Months Ended

For the Nine Months Ended

September 30, 

September 30, 

    

2021

    

2020

    

2021

    

2020

Numerator (basic and diluted):

 

  

 

  

 

  

 

  

Net income

$

558,652

$

527,252

$

1,645,712

$

1,359,357

Denominator:

 

  

 

  

 

  

 

  

Weighted-average common shares outstanding – basic

 

68,608

 

73,916

 

69,529

 

74,377

Effect of stock options (1)

 

632

 

670

 

645

 

649

Weighted-average common shares outstanding – assuming dilution

 

69,240

 

74,586

 

70,174

 

75,026

Earnings per share:

 

  

 

  

 

  

 

  

Earnings per share-basic

$

8.14

$

7.13

$

23.67

$

18.28

Earnings per share-assuming dilution

$

8.07

$

7.07

$

23.45

$

18.12

Antidilutive potential common shares not included in the calculation of diluted earnings per share:

 

  

 

  

 

  

 

  

Stock options (1)

 

133

 

153

 

48

 

327

Weighted-average exercise price per share of antidilutive stock options (1)

$

467.03

$

409.07

$

502.49

$

384.43

(1)See Note 11 for further information concerning the terms of the Company’s share-based compensation plans.