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Supplemental Executive Retirement Plan (Tables) | 6 Months Ended
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Aug. 03, 2013
Compensation and Retirement Disclosure [Abstract] |
Components of net periodic pension cost | The components of net periodic pension cost for the three and six months ended August 3, 2013 and July 28, 2012 were as follows (in thousands):
| Three Months Ended |  | Six Months Ended
| Aug 3, 2013 |  | Jul 28, 2012 |  | Aug 3, 2013 |  | Jul 28, 2012
Interest cost | $ | 586 |  |  | $ | 598 |  |  | $ | 1,172 |  |  | $ | 1,196 |
Net amortization of unrecognized prior service cost | 156 |  |  | 155 |  |  | 311 |  |  | 310 |
Net amortization of actuarial losses | 277 |  |  | 835 |  |  | 554 |  |  | 1,670 |
Net periodic defined benefit pension cost | $ | 1,019 |  |  | $ | 1,588 |  |  | $ | 2,037 |  |  | $ | 3,176 |

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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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