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Business Segments (Reconciliation of Operating Profit (Loss) from Segments to Consolidated) (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended
--- | ---
Mar. 31, 2014 | Mar. 31, 2013
Business Segments [Abstract] |  |
Income for reportable segments | $ 7,118 | $ 9,270
Interest expense | (123) | (133)
Interest income | 144 | 206
Other income | 135 | 178
LIFO expense | (4) | (240)
Equity in income of nonconsolidated investment | 204 | 176
Corporate expense, cost of capital elimination and other unallocated charges | (2,153) | (2,013)
Income from continuing operations before income taxes | $ 5,321 | $ 7,444

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- Definition This element represents the income or loss from continuing operations attributable to the economic entity which may also be defined as revenue less expenses from ongoing operations, after income or loss from equity method investments, but before income taxes, extraordinary items, and noncontrolling interest. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 10 -Article 5 + Details
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