Other Balance Sheet Information - Summary of Account Receivable (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Sep. 30, 2021
Accounts Receivable, after Allowance for Credit Loss, Current [Abstract]
Accounts receivable	$ 154,600	$ 124,195
Less allowance for expected credit losses	(4,326)	(4,318)
Accounts receivable, net	$ 150,274	$ 119,877

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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
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-URI https://asc.fasb.org/extlink&oid=124259787&loc=d3e4428-111522

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant