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Earnings Per Share (Tables)
6 Months Ended
Jun. 30, 2020
Earnings Per Share  
Computation of basic and diluted earnings per share

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For the Three Months Ended

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For the Six Months Ended

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June 30, 

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June 30, 

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2020

    

2019

    

2020

    

2019

Numerator (basic and diluted):

 

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Net income

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$

531,667

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$

353,681

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$

832,105

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$

674,833

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Denominator:

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Weighted-average common shares outstanding – basic

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74,205

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77,613

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74,611

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78,047

Effect of stock options (1)

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628

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799

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635

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807

Weighted-average common shares outstanding – assuming dilution

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74,833

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78,412

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75,246

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78,854

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Earnings per share:

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Earnings per share-basic

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$

7.16

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$

4.56

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$

11.15

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$

8.65

Earnings per share-assuming dilution

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$

7.10

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$

4.51

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$

11.06

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$

8.56

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

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Stock options (1)

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341

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184

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348

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188

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

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$

378.84

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$

357.18

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$

378.29

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$

357.33

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

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