Earnings Per Share (Tables)
 9 Months Ended
Sep. 30, 2014
Earnings Per Share [Abstract]  
Schedule of weighted average number of shares
The following is the reconciliation between the number of weighted average shares used in the basic and diluted EPS calculations for the three and nine months ended September 30, 2014 and 2013:
 
Three Months Ended September 30,
 
Nine Months Ended September 30,
 
2014
 
2013
 
2014
 
2013
Weighted average number of shares used in computing basic EPS
207,447,647

 
206,203,263

 
206,973,924

 
205,920,803

Add dilutive common stock equivalents:
 
 
 
 
 
 
 
Outstanding stock options and restricted stock units (a)
427,605

 
621,355

 
496,815

 
716,120

Weighted average number of shares used in computing diluted EPS
207,875,252

 
206,824,618

 
207,470,739

 
206,636,923



(a) Excludes 1,472,098 and 746,691 common stock equivalents for the three months ended September 30, 2014 and 2013 because their effect was anti-dilutive. Excludes 1,322,745 and 633,407 common stock equivalents for the nine months ended September 30, 2014 and 2013 because their effect was anti-dilutive.