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Goodwill and Intangible Assets (Tables) | 3 Months Ended
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Dec. 31, 2021
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Goodwill [Table Text Block] |
| Communications |  | Residential |  | Infrastructure Solutions |  | Commercial & Industrial |  | Total
Goodwill at December 31, 2021 |  | $ | 2,816 |  |  | $ | 51,370 |  |  | $ | 38,209 |  |  | $ | — |  |  | $ | 92,395 |
Schedule of Finite-Lived Intangible Assets [Table Text Block] |
|  | Estimated Useful Lives (in Years) |  | December 31, 2021
|  |  |  | Gross Carrying Amount |  |  | Accumulated Amortization |  | Net
Trademarks/trade names |  | 5 | - | 20 |  |  | $ | 15,262 |  |  |  | $ | (3,323) |  |  |  | $ | 11,939 |
Technical library |  | 20 |  |  | 400 |  |  |  | (166) |  |  |  | 234 |
Customer relationships |  | 6 | - | 15 |  |  | 96,879 |  |  |  | (26,980) |  |  |  | 69,899 |
Non-competition arrangements |  | 5 |  |  | 40 |  |  |  | (27) |  |  |  | 13 |
Backlog and construction contracts |  | 1 |  |  | 4,957 |  |  |  | (4,949) |  |  |  | 8 |
Total intangible assets |  |  |  |  |  |  | $ | 117,538 |  |  |  | $ | (35,445) |  |  |  | $ | 82,093 |
|  |  | Estimated Useful Lives (in Years) |  | September 30, 2021
|  |  |  |  | Gross Carrying Amount |  |  | Accumulated Amortization |  | Net
Trademarks/trade names |  | 5 | - | 20 |  |  | $ | 15,262 |  |  |  | $ | (2,891) |  |  |  | $ | 12,371 |
Technical library |  | 20 |  |  | 400 |  |  |  | (161) |  |  |  | 239 |
Customer relationships |  | 6 | - | 15 |  |  | 96,879 |  |  |  | (24,021) |  |  |  | 72,858 |
Non-competition arrangements |  | 5 |  |  | 40 |  |  |  | (25) |  |  |  | 15 |
Backlog and construction contracts |  | 1 |  |  | 4,957 |  |  |  | (4,821) |  |  |  | 136 |
Total intangible assets |  |  |  |  |  |  | $ | 117,538 |  |  |  | $ | (31,919) |  |  |  | $ | 85,619 |

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- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13854-109267 + Details
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