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Derivative Instruments (Tables) | 12 Months Ended
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Sep. 30, 2022
Derivative Instruments and Hedging Activities Disclosure [Abstract] |
Schedule of realized gains (losses) on derivatives not designated as hedging instruments | ​
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​ | ​ | Fiscal Year Ended September 30,
​ |  | 2022 |  | 2021 |  | 2020
Realized gains (losses) on derivatives not designated as hedging instruments | ​ | $ | 991 | ​ | $ | (7,781) | ​ | $ | (2,671)
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Fiscal Year Ended September 30,
​ |  | 2022 |  | 2021 |  | 2020
Realized gains (losses) on derivatives not designated as hedging instruments | ​ | $ | 991 | ​ | $ | (7,781) | ​ | $ | (2,671)
​
Schedule of fair value of derivative instruments |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Fair Value of Assets | ​ | ​ | Fair Value of Liabilities
As of September 30, | ​ | 2022 | ​ | ​ | 2021 | ​ | ​ | 2022 | ​ | ​ | 2021
Derivatives not designated as hedging instruments | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Foreign exchange contracts | $ | 634 | ​ | $ | 153 | ​ | $ | (230) | ​ | $ | (165)
Total | $ | 634 | ​ | $ | 153 | ​ | $ | (230) | ​ | $ | (165)
​

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- Definition Tabular disclosure of the location and amount of derivative instruments and nonderivative instruments designated as hedging instruments reported before netting adjustments, and the amount of gain (loss) on derivative instruments and nonderivative instruments designated and qualified as hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4E -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5624181-113959 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5618551-113959 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5624171-113959 + Details
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- Definition Tabular disclosure of the location and fair value amounts of derivative instruments (and nonderivative instruments that are designated and qualify as hedging instruments) reported in the statement of financial position. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5624163-113959 + Details
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