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Goodwill and Intangible Assets (Tables) | 9 Months Ended
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Jun. 30, 2017
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Goodwill [Table Text Block] |
|  |  |  |  | Commercial & |  |  | Infrastructure |  |
|  | Residential |  | Industrial |  |  | Solutions |  | Total
Goodwill at September 30, 2016 |  | $ | 8,631 |  | $ | 3,806 |  |  | $ | 27,499 |  | $ | 39,936
Acquisitions (See Note 13) |  |  | - |  |  | 1,640 |  |  |  | 3,820 |  |  | 5,460
Divestitures |  |  | - |  |  | - |  |  |  | (51) |  |  | (51)
Adjustments |  |  | - |  |  | (41) |  |  |  | (271) |  |  | (312)
Goodwill at June 30, 2017 |  | $ | 8,631 |  | $ | 5,405 |  |  | $ | 30,997 |  | $ | 45,033
Schedule Of Intangible Assets And Goodwill [Table Text Block] |
|  |  |  |  | June 30, 2017
|  |  | Estimated |  |  |  |  |  |  |  |
|  |  | Useful Lives |  |  | Gross Carrying |  |  | Accumulated |  |  |
|  |  | (in Years) |  |  | Amount |  |  | Amortization |  | Net
Trademarks/trade names |  | 5 - 20 |  | $ | 4,374 |  | $ | 350 |  | $ | 4,024
Technical library |  | 20 |  |  | 400 |  |  | 76 |  |  | 324
Customer relationships |  | 6 - 15 |  |  | 30,284 |  |  | 4,015 |  |  | 26,269
Developed technology |  | 4 |  |  | 400 |  |  | 400 |  |  | -
Backlog |  | 1 |  |  | 2,151 |  |  | 1,614 |  |  | 537
Construction contracts |  | 1 |  |  | 2,191 |  |  | 1,845 |  |  | 346
Total |  |  |  | $ | 39,800 |  | $ | 8,300 |  | $ | 31,500
|  |  |  |  | September 30, 2016
|  |  | Estimated |  |  |  |  |  |  |  |
|  |  | Useful Lives |  |  | Gross Carrying |  |  | Accumulated |  |  |
|  |  | (in Years) |  |  | Amount |  |  | Amortization |  | Net
Trademarks/trade names |  | 5 - 20 |  | $ | 3,845 |  | $ | 139 |  | $ | 3,706
Technical library |  | 20 |  |  | 400 |  |  | 61 |  |  | 339
Customer relationships |  | 6 - 15 |  |  | 27,414 |  |  | 2,003 |  |  | 25,411
Developed technology |  | 4 |  |  | 400 |  |  | 358 |  |  | 42
Backlog |  | 1 |  |  | 1,621 |  |  | 545 |  |  | 1,076
Construction contracts |  | 1 |  |  | 2,191 |  |  | 1,042 |  |  | 1,149
Total |  |  |  | $ | 35,871 |  | $ | 4,148 |  | $ | 31,723

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