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Business Segments (Tables) | 9 Months Ended
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Sep. 30, 2013
Business Segments [Abstract] |
Reconciliation of Revenue from Segments to Consolidated [Table Text Block] |
|  | Three Months Ended |  | Nine Months Ended
|  | September 30, 2013 |  | September 30, 2013
|  | Net |  | Segment |  | Net |  | Segment
|  | Sales |  | Profit |  | Sales |  | Profit
Rail products | $ | 105,552 | $ | 9,713 | $ | 277,843 | $ | 21,749
Construction products |  | 49,320 |  | 2,855 |  | 129,828 |  | 5,373
Tubular products |  | 7,376 |  | 985 |  | 33,834 |  | 8,139
Total | $ | 162,248 | $ | 13,553 | $ | 441,505 | $ | 35,261
|  | Three Months Ended |  | Nine Months Ended
|  | September 30, 2012 |  | September 30, 2012
|  | Net |  | Segment |  | Net |  | Segment
|  | Sales |  | Profit |  | Sales |  | Profit
Rail products | $ | 110,993 | $ | 7,904 | $ | 278,993 | $ | 1,743
Construction products |  | 45,948 |  | 3,083 |  | 132,173 |  | 6,062
Tubular products |  | 13,405 |  | 3,783 |  | 36,651 |  | 9,501
Total | $ | 170,346 | $ | 14,770 | $ | 447,817 | $ | 17,306
Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block] |
|  | Three Months Ended |  | Nine Months Ended
|  | September 30, |  | September 30,
|  | 2013 |  | 2012 |  | 2013 |  | 2012
Income for reportable segments | $ | 13,553 | $ | 14,770 | $ | 35,261 | $ | 17,306
Interest expense |  | (118) |  | (141) |  | (376) |  | (405)
Interest income |  | 149 |  | 126 |  | 494 |  | 319
Other income (expense) |  | 638 |  | (612) |  | 953 |  | (4)
LIFO income |  | 553 |  | 432 |  | 299 |  | 333
Equity in income of nonconsolidated investment |  | 296 |  | 310 |  | 892 |  | 643
Corporate expense, cost of capital elimination |  |  |  |  |  |  |  |
and other unallocated charges |  | (1,049) |  | (1,774) |  | (4,962) |  | (5,178)
Income from continuing operations before income taxes | $ | 14,022 | $ | 13,111 | $ | 32,561 | $ | 13,014

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- Definition Tabular disclosure of all significant reconciling items in the reconciliation of total profit or loss from reportable segments, to the entity's consolidated income before income taxes, extraordinary items, and discontinued operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 31 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8924-108599 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8906-108599 + Details
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- Definition Tabular disclosure of all significant reconciling items in the reconciliation of total revenues from reportable segments to the entity's consolidated revenues. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 31 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8924-108599 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8906-108599 + Details
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