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Goodwill and Intangible Assets | 9 Months Ended
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Jun. 30, 2025
Goodwill and Intangible Assets Disclosure [Abstract] |
Goodwill and Intangible Assets Disclosure [Text Block] | 11. GOODWILL AND INTANGIBLE ASSETS Goodwill The following summarizes changes in the carrying value of goodwill by segment during the nine months ended June 30, 2025:
| Communications |  | Residential |  | Infrastructure Solutions |  | Commercial & Industrial |  | Total
Goodwill at September 30, 2024 |  | $ | 2,816 |  |  | $ | 51,370 |  |  | $ | 39,774 |  |  | $ | — |  |  | $ | 93,960 |
Acquisitions |  | — |  |  | — |  |  | 1,335 |  | (1) | — |  |  | 1,335 |
Goodwill at June 30, 2025 |  | $ | 2,816 |  |  | $ | 51,370 |  |  | $ | 41,109 |  |  | $ | — |  |  | $ | 95,295 |
(1) On January 31, 2025, the Company acquired all of the equity interests of Arrow Engine Company for a purchase price of $22,406. As of the date of this report, the fair value of the total consideration for this transaction and the amount of goodwill acquired are pending our final valuation of the net deferred tax liability acquired. Intangible Assets Intangible assets consist of the following:
|  | Estimated Useful Lives (in Years) |  | June 30, 2025
|  |  |  | Gross Carrying Amount |  |  | Accumulated Amortization |  | Net
Trademarks/trade names |  | 5 | - | 20 |  |  | $ | 15,121 |  |  |  | $ | (8,121) |  |  |  | $ | 7,000 |
Technical library |  | 20 |  |  | 400 |  |  |  | (236) |  |  |  | 164 |
Customer relationships |  | 1 | - | 15 |  |  | 94,746 |  |  |  | (63,247) |  |  |  | 31,499 |
Backlog and construction contracts |  | 1 | - | 2 |  |  | 750 |  |  |  | (536) |  |  |  | 214 |
Total intangible assets |  |  |  |  |  |  | $ | 111,017 |  |  |  | $ | (72,140) |  |  |  | $ | 38,877 |
|  |  | Estimated Useful Lives (in Years) |  | September 30, 2024
|  |  |  |  | Gross Carrying Amount |  |  | Accumulated Amortization |  | Net
Trademarks/trade names |  | 5 | - | 20 |  |  | $ | 13,821 |  |  |  | $ | (6,964) |  |  |  | $ | 6,857 |
Technical library |  | 20 |  |  | 400 |  |  |  | (221) |  |  |  | 179 |
Customer relationships |  | 1 | - | 15 |  |  | 92,796 |  |  |  | (54,478) |  |  |  | 38,318 |
Backlog and construction contracts |  | 1 | - | 2 |  |  | 750 |  |  |  | (214) |  |  |  | 536 |
Total intangible assets |  |  |  |  |  |  | $ | 107,767 |  |  |  | $ | (61,877) |  |  |  | $ | 45,890 |

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- Definition The entire disclosure for goodwill and intangible assets. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/350-30/tableOfContent Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/350-20/tableOfContent + Details
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