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Goodwill and Other Intangible Assets (Tables) | 3 Months Ended
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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

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- Definition Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16265-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13854-109267 + Details
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