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Supplemental Executive Retirement Plan (Tables) | 9 Months Ended
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Oct. 27, 2012
Supplemental Executive Retirement Plan |
Components of net periodic pension cost |
|  | Three Months Ended |  | Nine Months Ended |
|  | Oct. 27, 2012 |  | Oct. 29, 2011 |  | Oct. 27, 2012 |  | Oct. 29, 2011 |
Interest cost |  | $ | 598 |  | $ | 662 |  | $ | 1,794 |  | $ | 1,978 |
Net amortization of unrecognized prior service cost |  | 155 |  | 155 |  | 465 |  | 785 |
Net amortization of actuarial losses |  | 835 |  | 458 |  | 2,505 |  | 1,592 |
Curtailment expense |  | — |  | — |  | — |  | 1,242 |
Net periodic defined benefit pension cost |  | $ | 1,588 |  | $ | 1,275 |  | $ | 4,764 |  | $ | 5,597 |

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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 -Topic 715 -SubTopic 20 -Publisher FASB -Number -Article -Subparagraph (h) -Name Accounting Standards Codification -Paragraph 1 -Section 50 -URI http://asc.fasb.org/extlink&oid=6962843&loc=d3e1928-114920 + Details
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