Goodwill and Other Intangible Assets (Tables)

6 Months Ended

Jun. 30, 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		8,772		-		70,676		79,448
Foreign currency translation impact		243		-		-		243
Balance at June 30, 2015	$	47,971	$	5,147	$	109,522	$	162,640

Schedule of Intangible Assets [Table Text Block]

		June 30,		December 31,
		2015		2014
Rail Products and Services	$	59,273	$	44,781
Construction Products		3,178		3,178
Tubular and Energy Services		98,166		47,812
	$	160,617	$	95,771

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

	June 30, 2015
	Weighted Average		Gross				Net
	Amortization Period		Carrying		Accumulated		Carrying
	In Years		Value		Amortization		Amount
Non-compete agreements	4	$	7,004	$	(1,503)	$	5,501
Patents	10		531		(169)		362
Customer relationships	16		96,017		(7,247)		88,770
Supplier relationships	5		350		(301)		49
Trademarks and trade names	13		14,308		(2,413)		11,895
Technology	13		42,407		(7,607)		34,800
		$	160,617	$	(19,240)	$	141,377

	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	$	6,551
2016		13,073
2017		12,171
2018		11,840
2019		11,118
2020 and thereafter		86,624
	$	141,377