Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2016

Goodwill and Other Intangible Assets [Abstract]

Schedule of Goodwill [Table Text Block]

		Rail Products and Services		Construction Products		Tubular and Energy Services		Total
Balance at December 31, 2014:	$	38,956	$	5,147	$	38,846	$	82,949
Acquisitions		9,594		-		69,908		79,502
Foreign currency translation impact		(362)		-		-		(362)
Impairment charges		-		-		(80,337)		(80,337)
		48,188		5,147		108,754		162,089
Accumulated impairment losses		-		-		(80,337)		(80,337)
Balance at December 31, 2015:		48,188		5,147		28,417		81,752
Foreign currency translation impact		(1,524)		-		-		(1,524)
Disposition		(154)		-		-		(154)
Impairment charges		(32,725)		-		(28,417)		(61,142)
		46,510		5,147		108,754		160,411
Accumulated impairment losses		(32,725)		-		(108,754)		(141,479)
Balance at December 31, 2016:	$	13,785	$	5,147	$	-	$	18,932

Schedule of Intangible Assets [Table Text Block]

		2016		2015
Rail Products and Services	$	56,476	$	59,226
Construction Products		1,348		1,348
Tubular and Energy Services		29,179		98,166
	$	87,003	$	158,740

Schedule of Finite-Lived Intangible Assets [Table Text Block]

	December 31, 2016
	Weighted Average		Gross				Net
	Amortization Period		Carrying		Accumulated		Carrying
	In Years		Value		Amortization		Amount
Non-compete agreements	5	$	4,219	$	(2,217)	$	2,002
Patents	10		373		(143)		230
Customer relationships	18		36,843		(6,582)		30,261
Trademarks and trade names	14		10,018		(3,238)		6,780
Technology	14		35,550		(11,304)		24,246
		$	87,003	$	(23,484)	$	63,519

	December 31, 2015
	Weighted Average		Gross				Net
	Amortization Period		Carrying		Accumulated		Carrying
	In Years		Value		Amortization		Amount
Non-compete agreements	4	$	6,984	$	(2,495)	$	4,489
Patents	10		378		(124)		254
Customer relationships	16		94,338		(8,441)		85,897
Supplier relationships	5		350		(335)		15
Trademarks and trade names	13		14,252		(3,025)		11,227
Technology	13		42,438		(9,393)		33,045
		$	158,740	$	(23,813)	$	134,927

Schedule of Expected Amortization Expense [Table Text Block]

		Amortization Expense
2017	$	7,042
2018		6,937
2019		6,203
2020		5,845
2021		5,771
2022 and thereafter		31,721
	$	63,519