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Balance Sheet Components (Details 2) - USD ($)
$ in Thousands
Oct. 31, 2020
Jul. 31, 2020
Balance Sheet Related Disclosures [Abstract]    
Prepaid expenses $ 16,363 $ 16,969
Contract costs 10,011 9,588
Deferred costs 7,881 8,399
Deposits and other receivables 11,496 11,033
Prepaid expenses and other current assets $ 45,751 $ 45,989