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Revenue Recognition (Tables) | 3 Months Ended
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Dec. 31, 2021
Revenue Recognition and Deferred Revenue [Abstract] |
Disaggregation of Revenue [Table Text Block] |
|  | Three Months Ended December 31, |  |  |  |
|  | 2021 |  | 2020 |  |  |  |  |  |  |  |
Communications |  | $ | 127,389 |  |  | $ | 98,356 |  |  |  |  |  |  |  |  |
Residential |  |  |  |  |  |  |  |  |  |  |  |
Single-family |  | 173,528 |  |  | 72,126 |  |  |  |  |  |  |  |  |
Multi-family and Other |  | 68,248 |  |  | 47,365 |  |  |  |  |  |  |  |  |
Total Residential |  | 241,776 |  |  | 119,491 |  |  |  |  |  |  |  |  |
Infrastructure Solutions |  |  |  |  |  |  |  |  |  |  |  |
Industrial Services |  | 14,816 |  |  | 10,040 |  |  |  |  |  |  |  |  |
Custom Power Solutions |  | 27,280 |  |  | 24,361 |  |  |  |  |  |  |  |  |
Total Infrastructure Solutions |  | 42,096 |  |  | 34,401 |  |  |  |  |  |  |  |  |
Commercial & Industrial |  | 69,248 |  |  | 62,590 |  |  |  |  |  |  |  |  |
Total Revenue |  | $ | 480,509 |  |  | $ | 314,838 |  |  |  |  |  |  |  |  |
|  | Three Months Ended December 31, 2021
|  | Communications |  | Residential |  | Infrastructure Solutions |  | Commercial & Industrial |  | Total
Fixed-price |  | $ | 88,422 |  |  | $ | 241,776 |  |  | $ | 40,453 |  |  | $ | 64,860 |  |  | $ | 435,511 |
Time-and-material |  |  | 38,967 |  |  |  | — |  |  |  | 1,643 |  |  |  | 4,388 |  |  |  | 44,998 |
Total revenue |  | $ | 127,389 |  |  | $ | 241,776 |  |  | $ | 42,096 |  |  | $ | 69,248 |  |  | $ | 480,509 |
|  | Three Months Ended December 31, 2020
|  | Communications |  | Residential |  | Infrastructure Solutions |  | Commercial & Industrial |  | Total
Fixed-price |  | $ | 76,014 |  |  | $ | 119,491 |  |  | $ | 32,664 |  |  | $ | 60,687 |  |  | $ | 288,856 |
Time-and-material |  |  | 22,342 |  |  |  | — |  |  |  | 1,737 |  |  |  | 1,903 |  |  |  | 25,982 |
Total revenue |  | $ | 98,356 |  |  | $ | 119,491 |  |  | $ | 34,401 |  |  | $ | 62,590 |  |  | $ | 314,838 |

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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130545-203045 + Details
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