Detail of Selected Balance Sheet Accounts - Components of Inventories (Details) - USD ($) $ in Thousands |
Jun. 30, 2026 |
Sep. 30, 2025 |
|---|---|---|
| Organization, Consolidation and Presentation of Financial Statements [Abstract] | ||
| Raw materials, parts and sub-assemblies | $ 101,372 | $ 90,743 |
| Work-in-progress | 2,973 | 2,222 |
| Provision for excess and obsolete inventories | (8,974) | (8,246) |
| Total inventories | $ 95,371 | $ 84,719 |
| X | ||||||||||
- Definition Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Aggregated amount of unprocessed materials to be used in manufacturing or production process and supplies that will be consumed. This amount is net of valuation reserves and adjustments. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of valuation reserve for inventory. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount before valuation and LIFO reserves of merchandise or goods in the production process expected to be completed within one year or operating cycle, if longer. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- References No definition available.
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