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Stockholders' Equity (Tables) | 12 Months Ended
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Dec. 31, 2012
Stockholders' Equity [Abstract] |
Schedule of accumulated other comprehensive income | Accumulated other comprehensive income is comprised of the following:
|  | December 31, |
|  | 2012 |  |  | 2011 |
|  | (In thousands) |
Foreign currency translation adjustments |  | $ | 4,663 |  |  | $ | 3,078 |
Unrecognized postretirement benefit costs (credit) |  |  | (784 | ) |  |  | 221 |
Total accumulated other comprehensive income |  | $ | 3,879 |  |  | $ | 3,299 |

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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=20435746&loc=SL7669686-108580 + Details
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