Revenue (Summary of Amounts Recognized Related to Amortization of Costs to Fulfill Contracts and Contract Liabilities Not Related to Changes in Estimate) (Details) - USD ($) $ in Thousands	12 Months Ended
Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2020
Change In Contract With Customer Asset And Liability [Abstract]
Revenue	$ 4,107	$ 4,455	$ 1,664
Cost of goods sold	$ 3,077	$ 3,466	$ 1,241

Amount of amortization expense for asset recognized from cost incurred to obtain or fulfill contract with customer.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 340
-SubTopic 40
-Section 50
-Paragraph 3
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=126905575&loc=SL49131252-203054

Name:	us-gaap_CapitalizedContractCostAmortization
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration