v3.8.0.1
Earnings per Share (Tables)
12 Months Ended
Dec. 31, 2017
Earnings Per Share [Abstract]  
Summary of the Reconciliation of the Basic and Diluted Weighted Average Number of Shares Outstanding
The following table summarizes the reconciliation of the basic weighted average number of shares outstanding and the diluted weighted average number of shares outstanding.
    
 
Years ended
 
December 31, 2017
 
December 31, 2016
Basic and diluted weighted average number of shares outstanding
95,774,897

 
83,988,597

The following items have been excluded from the diluted weighted average number of shares outstanding because they are anti-dilutive:


 
 
Stock options
7,353,546

 
9,899,393

Restricted share units
2,498,678

 
2,360,817

 
9,852,224

 
12,260,210