XML 24 R49.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Net Income Per Share (Details) - shares
shares in Thousands
3 Months Ended 6 Months Ended
Jan. 31, 2020
Jan. 31, 2019
Jan. 31, 2020
Jan. 31, 2019
Earnings Per Share [Abstract]        
Weighted average common shares outstanding 232,671 230,798 231,920 232,343
Effect of dilutive securities — stock options 5,799 9,862 6,646 10,400
Weighted average common and dilutive potential common shares outstanding 238,470 240,660 238,566 242,743