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Acquisitions (Allocation of Purchase Price) (Details) (USD $) In Thousands, unless otherwise specified | Mar. 31, 2014 | Dec. 31, 2013
--- | --- | ---
Business Acquisition [Line Items] |  |
Goodwill | $ 57,781 | $ 57,781
L.B. Foster Ball Winch, Inc. [Member] |  |
Business Acquisition [Line Items] |  |
Current assets |  | 1,857
Other assets |  | 64
Property, plant and equipment |  | 5,555
Goodwill |  | 16,544
Other intangibles |  | 14,682
Current liabilities |  | (707)
Total |  | $ 37,995

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- Definition Amount of assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer, acquired at the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6910749&loc=d3e4845-128472 + Details
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- Definition Amount of liabilities due within one year or within the normal operating cycle, if longer, assumed at the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6910749&loc=d3e4845-128472 + Details
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