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Accumulated Other Comprehensive Income (Loss) (Tables) | 9 Months Ended
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Sep. 28, 2013
Equity [Abstract] |
Changes in accumulated other comprehensive income by component | The following table shows a summary of changes in accumulated other comprehensive income (loss) by component for the nine months ended September 28, 2013 (in thousands):
| Defined Benefit Pension Plans |  | Foreign Currency Translations |  | Unrealized Gain (Loss) on Investment |  | Total
Balance as of December 29, 2012 | $ | (179 | ) |  | $ | 1,453 |  |  | $ | (2 | ) |  | $ | 1,272 |
Other comprehensive income | — |  |  | (837 | ) |  | 17 |  |  | (820 | )
Balance as of September 28, 2013 | $ | (179 | ) |  | $ | 616 |  |  | $ | 15 |  |  | $ | 452 |

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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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