Balance Sheet Components - Prepaid Expenses and Other Current Assets (Details) - USD ($) $ in Thousands	Jan. 31, 2022	Jul. 31, 2021
Balance Sheet Related Disclosures [Abstract]
Prepaid expenses	$ 21,319	$ 20,330
Contract costs	14,717	13,365
Deferred costs	9,910	9,247
Other	15,477	9,787
Prepaid expenses and other current assets	$ 61,423	$ 52,729

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Amount, after accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer; classified as current.

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Sum of the carrying amounts as of the balance sheet date of deferred costs capitalized at the end of the reporting period that are expected to be charged against earnings within one year or the normal operating cycle, if longer.

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Amount of other miscellaneous assets expected to be realized or consumed within one year or operating cycle, if longer.

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Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer.

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