XML 56 R46.htm IDEA: XBRL DOCUMENT v3.22.0.1
Net Income Per Share - Narrative (Details) - shares
3 Months Ended 6 Months Ended
Jan. 31, 2022
Jan. 31, 2021
Jan. 31, 2022
Jan. 31, 2021
Employee Stock Option        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Stock options excluded from the calculation of dilutive earnings (in shares) 150,250 550,000 205,500 1,900,000