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Employee Benefit Plans (Tables) | 3 Months Ended
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Mar. 29, 2013
Net Periodic Cost for U.K Defined Benefit Pension Plan | The net periodic pension cost for the U.K. defined benefit pension plan includes the following components (in thousands):
|  | Three Months Ended |
|  | March 29, 2013 |  |  | March 30, 2012 |
Components of the net periodic pension cost: |  |  |  |  |  |  |  |
Interest cost |  | $ | 356 |  |  | $ | 341 |
Expected return on plan assets |  |  | (347 | ) |  |  | (313 | )
Amortization of actuarial loss |  |  | 168 |  |  |  | 97 |
Net periodic pension cost |  | $ | 177 |  |  | $ | 125 |

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- Definition Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments. + 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 (h) -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920 + Details
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