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Goodwill (Tables) | 12 Months Ended
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Dec. 31, 2013
Goodwill And Intangible Assets Disclosure [Abstract] |
Changes in Carrying Value of Goodwill | The changes in the carrying value of goodwill were as follows (in thousands):
|  | MVSD |  |  | SISD |  |  | Consolidated |
Balance as of December 31, 2011 |  | $ | 77,556 |  |  | $ | 4,473 |  |  | $ | 82,029 |
Foreign currency exchange rate changes |  |  | (168 | ) |  |  | (172 | ) |  |  | (340 | )
Balance as of December 31, 2012 |  |  | 77,388 |  |  |  | 4,301 |  |  |  | 81,689 |
Foreign currency exchange rate changes |  |  | - |  |  |  | - |  |  |  | - |
Balance as of December 31, 2013 |  | $ | 77,388 |  |  | $ | 4,301 |  |  | $ | 81,689 |

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- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13854-109267 + Details
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