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Goodwill and Intangible Assets (Tables)

3 Months Ended

Dec. 31, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill [Table Text Block]

		Commercial &			Infrastructure
		Industrial			Solutions				Residential			Total
Goodwill at September 30, 2017		$	7,176		$	30,886			$	8,631		$	46,693
Adjustments			-			45				-			45
Goodwill at December 31, 2017		$	7,176		$	30,931			$	8,631		$	46,738

Schedule Of Intangible Assets And Goodwill [Table Text Block]

					December 31, 2017
			Estimated
			Useful Lives			Gross Carrying			Accumulated
			(in Years)			Amount			Amortization		Net
Trademarks/trade names			5 - 20		$	4,643		$	531		$	4,112
Technical library			20			400			86			314
Customer relationships			6 - 15			31,229			5,461			25,768
Backlog			1			2,412			2,412			-
Construction contracts			1			2,399			2,141			258
Total					$	41,083		$	10,631		$	30,452

					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					$	40,969		$	9,556		$	31,413

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- 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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