Inventories (Schedule of Inventories) (Details) - USD ($) $ in Thousands |
Jun. 30, 2026 |
Sep. 30, 2025 |
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|---|---|---|---|---|
| Inventory, Net [Abstract] | ||||
| Raw materials | $ 222,167 | $ 192,373 | ||
| Work in progress | 187,050 | 163,275 | ||
| Component parts | [1] | 417,344 | 382,650 | |
| Finished goods | 120,001 | 102,746 | ||
| Customer supplied inventory | 5,613 | 19,640 | ||
| On-hand inventory for which control has transferred to the customer | (227,372) | (206,076) | ||
| Inventory, net | $ 724,803 | $ 654,608 | ||
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| X | ||||||||||
- Definition Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of merchandise or goods held by the company that are readily available for sale. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| 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 | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of unprocessed items to be consumed in the manufacturing or production process. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Carrying amount, net of reserves and adjustments, as of the balance sheet date of merchandise or goods which are partially completed. This inventory is generally comprised of raw materials, labor and factory overhead costs, which require further materials, labor and overhead to be converted into finished goods, and which generally require the use of estimates to determine percentage complete and pricing. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of component parts, which includes items that can be sold separately as finished goods or included in the manufacture of other products. No definition available.
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| X | ||||||||||
- Definition Inventory, Customer Supplied Inventory, Net of Reserves No definition available.
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| X | ||||||||||
- Definition On hand inventory held by the Company for which control of the inventory has passed to the customer. No definition available.
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