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Comprehensive Income (Tables) | 9 Months Ended
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Sep. 30, 2013
Stockholders' Equity Note [Abstract] |
Schedule of Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block] | Comprehensive income for the three and nine months ended September 30, 2013 and 2012 was as follows:
|  | Three Months Ended September 30, |  | Nine Months Ended September 30, |
|  | 2013 |  | 2012 |  | 2013 |  | 2012 |
|  | (Dollars in thousands) |
Net earnings |  | $ | 5,601 |  | $ | 5,452 |  | $ | 10,991 |  | $ | 12,059 |
Foreign currency translation adjustments |  |  | 470 |  |  | 405 |  |  | (1,557) |  |  | 211 |
Pension liability, net of tax of $172, $129, $492, and $490, respectively |  |  | 269 |  |  | 201 |  |  | 770 |  |  | 766 |
Total comprehensive income |  | $ | 6,340 |  | $ | 6,058 |  | $ | 10,204 |  | $ | 13,036 |
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] | The components of accumulated other comprehensive loss as recorded on the Consolidated Condensed Balance Sheets (Unaudited) were as follows:
|  | September 30, |  | December 31, |
|  | 2013 |  | 2012 |
|  | (Dollars in thousands) |
Foreign currency translation adjustments |  | $ | (270) |  | $ | 681 |
Pension liability, net of tax |  |  | (12,425) |  |  | (13,195) |
Total accumulated other comprehensive loss |  | $ | (12,695) |  | $ | (12,514) |

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=28358780&loc=SL7669686-108580 + Details
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- Definition Tabular disclosure of the net gain (loss) and net prior service cost or credit recognized in other comprehensive income (loss) for the period for pension plans and/or other employee benefit plans, and reclassification adjustments of other comprehensive income (loss) for the period, as those amounts, including amortization of the net transition asset or obligation, are recognized as components of net periodic benefit cost. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 + Details
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