Acquisitions, Summary (Details)	12 Months Ended
Sep. 30, 2020 Acquisition
Acquisitions [Abstract]
Number of acquisitions completed	0

The number of businesses acquired by the entity during the period.

No definition available.

Name:	us-gaap_NumberOfBusinessesAcquired
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration