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Earnings Per Share (Tables)
6 Months Ended
Jun. 30, 2019
Earnings Per Share [Abstract]  
Calculation of our Basic and Diluted Earnings per share Calculation
The following table shows the information used in the calculation of our basic and diluted earnings per share calculation as of June 30, 2019 and June 30, 2018.
 
For the Three Months
Ended June 30,
 
For the Six Months
Ended June 30,
 
2019
 
2018
 
2019
 
2018
 
 
 
 
 
 
 
 
Weighted average common shares outstanding for basic calculation
290,565,408

 
302,225,923

 
290,562,234

 
302,225,923

Add: Effect of stock options, deferred stock units and restricted stock units
8,745

 
5,508

 
8,898

 
2,789

Weighted average common shares outstanding for diluted calculation
290,574,153

 
302,231,431

 
290,571,132

 
302,228,712