Contract Balances and Performance Obligations - Additional Information (Details)	12 Months Ended
Sep. 30, 2020
Minimum
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Contract with customer, payment term	30 days
Maximum
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Contract with customer, payment term	60 days

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

Name:	us-gaap_RevenueRecognitionMultipleDeliverableArrangementsLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration