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v3.26.1

Segment Information - Narrative (Details) - Segment | 3 Months Ended | 6 Months Ended
--- | --- | ---
Mar. 31, 2026 | Mar. 31, 2025 | Mar. 31, 2026 | Mar. 31, 2025
Revenue, Major Customer [Line Items] |  |  |  |
Operating segments |  |  | 5 |
Reportable segments |  |  | 3 |
Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration] |  |  | srt:ChiefExecutiveOfficerMember |
Segment Reporting, Expense Information Used by CODM, Description |  |  | The Company reports reportable segment information based on the internal performance measures used by the CODM to assess the performance of each operating segment in a given period. |
Segment Reporting, CODM, Profit (Loss) Measure, How Used, Description |  |  | In connection with that assessment, the CODM uses segment direct profit to evaluate the performance of each segment. Segment direct profit is calculated as total revenue less cost of goods sold (excludes depreciation and amortization). |
Non-US | Sales Revenue | Geographic Concentration Risk |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Concentration risk percentage | 10.40% | 8.70% | 10.30% | 9.30%

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- Definition Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 49 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482785/280-10-55-49 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 18 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-18 + Details
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