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Goodwill and Other Identifiable Intangible Assets, Net (Tables) | 9 Months Ended
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Jun. 30, 2025
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Amortizable Intangible Assets | Amortizable intangible assets were (in thousands):
| June 30, 2025 |  | September 30, 2024
| Gross carrying amount |  | Accum. amort. |  | Net |  | Gross carrying amount |  | Accum. amort. |  | Net
Purchased and core technology | $ | 85,018 |  |  | $ | (66,491) |  |  | $ | 18,527 |  |  | $ | 85,041 |  |  | $ | (63,654) |  |  | $ | 21,387 |
License agreements | 112 |  |  | (112) |  |  | — |  |  | 112 |  |  | (112) |  |  | — |
Patents and trademarks | 40,871 |  |  | (24,252) |  |  | 16,619 |  |  | 40,335 |  |  | (22,047) |  |  | 18,288 |
Customer relationships | 309,213 |  |  | (107,380) |  |  | 201,833 |  |  | 309,223 |  |  | (95,989) |  |  | 213,234 |
Non-compete agreements | 600 |  |  | (600) |  |  | — |  |  | 600 |  |  | (600) |  |  | — |
Order backlog | 1,000 |  |  | (1,000) |  |  | — |  |  | 1,000 |  |  | (1,000) |  |  | — |
Total | $ | 436,814 |  |  | $ | (199,835) |  |  | $ | 236,979 |  |  | $ | 436,311 |  |  | $ | (183,402) |  |  | $ | 252,909 |
Schedule of Estimated Future Amortization Expense Related to Intangible Assets | Estimated amortization expense related to intangible assets for the remainder of fiscal 2025 and the five succeeding fiscal years is (in thousands):
2025 (three months) | $ | 5,268 |
2026 | 20,760 |
2027 | 20,760 |
2028 | 20,447 |
2029 | 18,701 |
2030 | 18,297 |
Schedule of Changes in Carrying Amount of Goodwill | The changes in the carrying amount of goodwill by reportable segments are (in thousands):
| Nine months ended June 30, 2025
| IoT Products & Services |  | IoT Solutions |  | Total
Balance on September 30, 2024 | $ | 175,093 |  |  | $ | 167,681 |  |  | $ | 342,774 |
Foreign currency translation adjustment | 382 |  |  | (118) |  |  | 264 |
Balance on June 30, 2025 | $ | 175,475 |  |  | $ | 167,563 |  |  | $ | 343,038 |

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