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Goodwill and Intangible Assets (Tables)

9 Months Ended

Jun. 30, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill [Table Text Block]

		Commercial &							Infrastructure
		Industrial				Communications			Solutions				Residential			Total
Goodwill at September 30, 2017		$	7,176			$	-		$	30,886			$	8,631		$	46,693
Acquisitions (See Note 13)			-				2,561			-				-			2,561
Adjustments			-				-			45				-			45
Goodwill at June 30, 2018		$	7,176			$	2,561		$	30,931			$	8,631		$	49,299

Schedule Of Intangible Assets And Goodwill [Table Text Block]

					June 30, 2018
			Estimated
			Useful Lives			Gross Carrying			Accumulated
			(in Years)			Amount			Amortization		Net
Trademarks/trade names			5 - 20		$	5,044		$	723		$	4,321
Technical library			20			400			96			304
Customer relationships			6 - 15			33,469			7,027			26,442
Backlog			1			3,026			2,565			461
Construction contracts			1			2,583			2,375			208
Total intangible assets					$	44,522		$	12,786		$	31,736

					September 30, 2017
			Estimated
			Useful Lives			Gross Carrying			Accumulated
			(in Years)			Amount			Amortization		Net
Trademarks/trade names			5 - 20		$	4,643		$	440		$	4,203
Technical library			20			400			81			319
Customer relationships			6 - 15			31,115			4,741			26,374
Backlog			1			2,412			2,130			282
Construction contracts			1			2,399			2,164			235
Total intangible assets					$	40,969		$	9,556		$	31,413

X

- References

No definition available.

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- Definition

Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13854-109267

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- Definition

Tabular disclosure of goodwill and intangible assets, which may be broken down by segment or major class.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

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