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Net Income Per Share - Narrative (Details) - shares
12 Months Ended
Jul. 31, 2022
Jul. 31, 2021
Jul. 31, 2020
Stock Options      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Antidilutive securities excluded from computation of earnings per share (in shares) 3,722,762 4,090,250 1,575,167