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Balance Sheet Components - Other Assets (Details) - USD ($)
$ in Thousands
Oct. 31, 2021
Jul. 31, 2021
Balance Sheet Related Disclosures [Abstract]    
Prepaid expenses $ 2,974 $ 3,276
Contract costs 29,061 28,870
Deferred costs 2,175 2,777
Strategic equity investments 3,556 3,556
Restricted cash 4,976 0
Other assets $ 42,742 $ 38,479