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Balance Sheet Components (Details 6) - USD ($)
$ in Thousands
Oct. 31, 2020
Jul. 31, 2020
Balance Sheet Related Disclosures [Abstract]    
Prepaid expenses $ 4,577 $ 2,830
Contract costs 23,838 25,221
Deferred costs 4,916 5,729
Strategic equity investments 3,181 1,164
Other assets $ 36,512 $ 34,944