Goodwill and Intangible Assets (Tables)

9 Months Ended

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