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Nature of Operations and Summary of Significant Accounting and Reporting Policies (Tables)
12 Months Ended
Dec. 31, 2018
Organization Consolidation And Presentation Of Financial Statements [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted

The following table illustrates the computation of basic and diluted earnings per share:

 

 

 

Year Ended December 31,

 

 

 

2018

 

 

2017

 

 

2016

 

 

 

Amount

 

 

Per Share Amount

 

 

Amount

 

 

Per Share Amount

 

 

Amount

 

 

Per Share Amount

 

 

 

(Amounts in thousands, except per share data)

 

Net income

 

$

321,812

 

 

 

 

 

 

$

272,165

 

 

 

 

 

 

$

274,466

 

 

 

 

 

Basic:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Weighted average shares outstanding

 

 

69,821

 

 

$

4.61

 

 

 

69,484

 

 

$

3.92

 

 

 

69,674

 

 

$

3.94

 

Diluted:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Add incremental shares for:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Effect of dilutive securities - options

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6

 

 

 

 

 

Total

 

 

69,821

 

 

$

4.61

 

 

 

69,484

 

 

$

3.92

 

 

 

69,680

 

 

$

3.94