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Net Income Per Share (Tables)
 6 Months Ended
Jun. 30, 2014
Earnings Per Share [Abstract]  
Computation of Net Income Per Share
The following table sets forth the computation of Net Income Per Share for the three-month and six-month periods ended June 30, 2014 and 2013 (in thousands, except per share data):
 
Three Months Ended June 30,
 
Six Months Ended June 30,
 
2014
 
2013
 
2014
 
2013
Numerator for Basic and Diluted Earnings Per Share -
 
 
 
 
 
 
 
Net Income
$
706,353

 
$
659,692

 
$
1,367,281

 
$
1,154,417

Denominator for Basic Earnings Per Share -
 

 
 

 
 

 
 

Weighted Average Shares
543,099

 
540,033

 
542,675

 
539,330

Potential Dilutive Common Shares -
 

 
 

 
 

 
 

Stock Options/SARs
2,759

 
1,973

 
2,597

 
2,100

Restricted Stock/Units and Performance Units/Stock
2,818

 
3,471

 
2,774

 
3,516

Denominator for Diluted Earnings Per Share -
 

 
 

 
 

 
 

Adjusted Diluted Weighted Average Shares
548,676

 
545,477

 
548,046

 
544,946

Net Income Per Share
 

 
 

 
 

 
 

Basic
$
1.30

 
$
1.22

 
$
2.52

 
$
2.14

Diluted
$
1.29

 
$
1.21

 
$
2.49

 
$
2.12