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Goodwill and Intangible Assets - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Apr. 30, 2022
Apr. 30, 2021
Apr. 30, 2022
Apr. 30, 2021
Goodwill and Intangible Assets Disclosure [Abstract]        
Aggregate amortization expense $ 1.9 $ 1.8 $ 5.6 $ 5.3