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v3.26.1

Fair Value Measurements - Schedule of Financial Assets and Liabilities Measured at Fair Value (Details) - USD ($) $ in Thousands | Mar. 31, 2026 | Sep. 30, 2025
--- | --- | ---
Financial assets: |  |  |
Cash equivalents | [1] | $ 268,635 | $ 38,031
Financial assets, fair value |  | 276,252 | 50,266
Financial liabilities: |  |  |
Financial liabilities, fair value |  | 5,274 | 4,773
Forward Contracts |  |  |
Financial assets: |  |  |
Foreign currency contract, asset |  | 735 | 6,007
Financial liabilities: |  |  |
Foreign currency contracts, liability |  | 5,274 | 4,773
Option contracts |  |  |
Financial assets: |  |  |
Foreign currency contract, asset |  | 6,882 | 6,228
Level 1 |  |  |
Financial assets: |  |  |
Cash equivalents | [1] | 268,635 | 38,031
Financial assets, fair value |  | 268,635 | 38,031
Financial liabilities: |  |  |
Financial liabilities, fair value |  | 0 | 0
Level 1 | Forward Contracts |  |  |
Financial assets: |  |  |
Foreign currency contract, asset |  | 0 | 0
Financial liabilities: |  |  |
Foreign currency contracts, liability |  | 0 | 0
Level 1 | Option contracts |  |  |
Financial assets: |  |  |
Foreign currency contract, asset |  | 0 | 0
Level 2 |  |  |
Financial assets: |  |  |
Cash equivalents | [1] | 0 | 0
Financial assets, fair value |  | 7,617 | 12,235
Financial liabilities: |  |  |
Financial liabilities, fair value |  | 5,274 | 4,773
Level 2 | Forward Contracts |  |  |
Financial assets: |  |  |
Foreign currency contract, asset |  | 735 | 6,007
Financial liabilities: |  |  |
Foreign currency contracts, liability |  | 5,274 | 4,773
Level 2 | Option contracts |  |  |
Financial assets: |  |  |
Foreign currency contract, asset |  | 6,882 | 6,228
Level 3 |  |  |
Financial assets: |  |  |
Cash equivalents | [1] | 0 | 0
Financial assets, fair value |  | 0 | 0
Financial liabilities: |  |  |
Financial liabilities, fair value |  | 0 | 0
Level 3 | Forward Contracts |  |  |
Financial assets: |  |  |
Foreign currency contract, asset |  | 0 | 0
Financial liabilities: |  |  |
Foreign currency contracts, liability |  | 0 | 0
Level 3 | Option contracts |  |  |
Financial assets: |  |  |
Foreign currency contract, asset |  | $ 0 | $ 0
[1] | Money market funds and time deposits.

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- Definition Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-11 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-11 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-10 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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- Definition Fair value of financial obligations, including, but not limited to, debt instruments, derivative liabilities, federal funds purchased and sold under agreements to repurchase, securities loaned or sold under agreements to repurchase, financial instruments sold not yet purchased, guarantees, line of credit, loans and notes payable, servicing liability, and trading liabilities. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 28 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-28 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-11 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-11 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-10 Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2E -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2E + Details
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