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Net Income Per Share (Tables)
12 Months Ended
Jul. 31, 2018
Earnings Per Share [Abstract]  
Schedule of reconciliation of basic weighted shares outstanding to diluted weighted average shares outstanding
The table below reconciles basic weighted shares outstanding to diluted weighted average shares outstanding:
 
 
Year Ended July 31,
(In thousands)
 
2018
 
2017
 
2016
Weighted average common shares outstanding
 
231,793

 
228,686

 
228,846

Effect of dilutive securities — stock options
 
10,084

 
8,333

 
15,449

Weighted average common and dilutive potential common shares outstanding
 
241,877

 
237,019

 
244,295