Goodwill and Intangible Assets (Tables)

6 Months Ended

Mar. 31, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill [Table Text Block]

			Commercial &		Infrastructure
	Residential		Industrial		Solutions		Total
Goodwill at September 30, 2015	$	8,631	$	-	$	8,618	$	17,249
Acquisitions "Note 13"		-		605		1,466		2,071
Divestitures "Note 13"		-		-		(577)		(577)
Goodwill at March 31, 2016	$	8,631	$	605	$	9,507	$	18,743

Schedule Of Intangible Assets And Goodwill [Table Text Block]

		March 31, 2016
	Estimated
	Useful Lives		Gross Carrying		Accumulated
	(in Years)		Amount		Amortization	Net
Trademarks/trade names	8 - Indefinite	$	1,754	$	44	$	1,710
Technical library	20		400		51		349
Customer relationships	8 - 15		6,524		1,154		5,370
Covenants not to compete	3		140		140		-
Developed technology	4		400		308		92
Backlog	1		321		107		214
Construction contracts	1		227		103		124
Total		$	9,766	$	1,907	$	7,859

		September 30, 2015
	Estimated
	Useful Lives		Gross Carrying		Accumulated
	(in Years)		Amount		Amortization	Net
Trademarks/trade names	8 - Indefinite	$	1,400	$	9	$	1,391
Technical library	20		400		41		359
Customer relationships	8 - 12		3,600		788		2,812
Covenants not to compete	3		140		121		19
Developed technology	4		400		258		142
Total		$	5,940	$	1,217	$	4,723