XML 69 R56.htm IDEA: XBRL DOCUMENT v3.21.2
Schedule of Outstanding Stock Options Excluded from the Calculation of Diluted Earnings Per Share (Details) - shares
shares in Thousands
12 Months Ended
Jul. 31, 2021
Jul. 31, 2020
Accounting Policies [Abstract]    
Shares excluded from the calculation of diluted earnings per share 535 1,138