Goodwill and Other Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2015

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		9,079		-		123,412		132,491
Foreign currency translation impact		(310)		-		-		(310)
Balance at March 31, 2015	$	47,725	$	5,147	$	162,258	$	215,130

Schedule of Intangible Assets [Table Text Block]

		2015		2014
Rail Products and Services	$	58,417	$	44,781
Construction Products		3,178		3,178
Tubular and Energy Services		47,812		47,812
	$	109,407	$	95,771

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

	March 31, 2015
	Weighted Average		Gross				Net
	Amortization Period		Carrying		Accumulated		Carrying
	In Years		Value		Amortization		Amount
Non-compete agreements	5	$	4,786	$	(941)	$	3,845
Patents	10		523		(163)		360
Customer relationships	17		54,247		(5,579)		48,668
Supplier relationships	5		350		(285)		65
Trademarks and trade names	14		11,616		(2,093)		9,523
Technology	14		37,885		(6,700)		31,185
		$	109,407	$	(15,761)	$	93,646

	December 31, 2014
	Weighted Average		Gross				Net
	Amortization Period		Carrying		Accumulated		Carrying
	In Years		Value		Amortization		Amount
Non-compete agreements	5	$	4,143	$	(705)	$	3,438
Patents	10		564		(189)		375
Customer relationships	19		44,450		(4,679)		39,771
Supplier relationships	5		350		(268)		82
Trademarks and trade names	14		10,765		(1,855)		8,910
Technology	14		35,499		(5,941)		29,558
		$	95,771	$	(13,637)	$	82,134

Schedule of Expected Amortization Expense [Table Text Block]

		Amortization Expense
2015	$	6,325
2016		8,441
2017		8,410
2018		8,305
2019		7,584
2020 and thereafter		54,581
	$	93,646