Foreign Currency Forward Contracts (Details) - Selling, General and Administrative Expenses - Not Designated as Hedging Instrument - USD ($) $ in Thousands	12 Months Ended
Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2020
Foreign currency balance sheet hedging
Foreign currency net gain (loss)	$ (1,673)	$ (574)	$ (840)
Foreign Currency Transaction
Foreign currency balance sheet hedging
Foreign currency net gain (loss)	4,393	(42)	(567)
Foreign Exchange Forward
Foreign currency balance sheet hedging
Foreign currency net gain (loss)	$ (6,066)	$ (532)	$ (273)

Amount before tax of foreign currency transaction realized gain (loss) recognized in the income statement.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 830
-SubTopic 20
-Section 50
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=124440516&loc=d3e30840-110895

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 830
-SubTopic 20
-Section 45
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=125521441&loc=d3e30690-110894

Name:	us-gaap_ForeignCurrencyTransactionGainLossRealized
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration