Balance Sheet Components - Accounts Receivable (Details) - USD ($) $ in Thousands	6 Months Ended
Jan. 31, 2022	Jul. 31, 2021
Balance Sheet Related Disclosures [Abstract]
Accounts receivable	$ 112,281	$ 105,125
Allowance for credit losses and revenue reserves	(576)	(1,057)
Accounts receivable, net	111,705	$ 104,068
Allowance for Doubtful Accounts Receivable [Roll Forward]
Balance as of July 31, 2021	1,057
Net changes to credit losses	0
Net changes to revenue reserves	(154)
Write-offs, net	(327)
Balance as of January 31, 2022	$ 576

Accounts Receivable, Net Change To Revenue Reserves

No definition available.

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- Definition

Amount, before allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business.

+ References

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-Publisher FASB
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- Definition

Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

Amount of allowance for credit loss on accounts receivable.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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- Definition

Amount of direct write-downs of accounts receivable charged against the allowance.

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Amount of expense (reversal of expense) for expected credit loss on accounts receivable.

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