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Goodwill and Other Intangible Assets (Tables) | 12 Months Ended
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Dec. 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 |  | 9,594 |  | - |  | 69,908 |  | 79,502
Foreign currency translation impact |  | (362) |  | - |  | - |  | (362)
Impairment charges |  | - |  | - |  | (80,337) |  | (80,337)
Balance at December 31, 2015 | $ | 48,188 | $ | 5,147 | $ | 28,417 | $ | 81,752
Schedule of Intangible Assets [Table Text Block] |
|  | 2015 |  | 2014
Rail Products and Services | $ | 59,226 | $ | 44,781
Construction Products |  | 1,348 |  | 3,178
Tubular and Energy Services |  | 98,166 |  | 47,812
| $ | 158,740 | $ | 95,771
Schedule of Finite-Lived Intangible Assets [Table Text Block] |
| 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
| 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
2016 | $ | 13,093
2017 |  | 12,200
2018 |  | 11,868
2019 |  | 11,137
2020 |  | 10,706
2021 and thereafter |  | 75,923
| $ | 134,927

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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 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 Reference 2: 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 + Details
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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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