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Goodwill and Other Intangible Assets (Schedule of Goodwill) (Details) $ in Thousands | 6 Months Ended
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Jun. 30, 2015 USD ($)
Goodwill [Line Items] |
Goodwill, Beginning Balance | $ 82,949
Acquisitions | 79,448
Foreign currency translation impact | 243
Goodwill, Ending Balance | 162,640
Rail Products and Services [Member] |
Goodwill [Line Items] |
Goodwill, Beginning Balance | 38,956
Acquisitions | 8,772
Foreign currency translation impact | 243
Goodwill, Ending Balance | 47,971
Construction Products Segment [Member] |
Goodwill [Line Items] |
Goodwill, Beginning Balance | 5,147
Acquisitions | 0
Foreign currency translation impact | 0
Goodwill, Ending Balance | 5,147
Tubular and Energy Services [Member] |
Goodwill [Line Items] |
Goodwill, Beginning Balance | 38,846
Acquisitions | 70,676
Foreign currency translation impact | 0
Goodwill, Ending Balance | $ 109,522

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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + 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=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 + Details
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- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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- Definition Amount of increase (decrease) from foreign currency translation adjustments of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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