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Retirement Plans (Weighted Average Assumptions Used To Determine Net Periodic Pension Costs For The Pension Plan) (Details) - Pension Plan [Member] | 12 Months Ended
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Jan. 28, 2017 | Jan. 30, 2016 | Jan. 31, 2015
Discount rate for service cost (percent) |  | 3.55% | 4.50%
Discount rate for interest cost (percent) |  | 3.55% | 4.50%
Expected long-term return on plan assets | 7.00% | 7.00% | 7.50%
Rate of compensation increases | 4.10% | 4.10% | 4.10%
Minimum [Member] |  |  |
Discount rate for service cost (percent) | 3.79% |  |
Discount rate for interest cost (percent) | 2.96% |  |
Maximum [Member] |  |  |
Discount rate for service cost (percent) | 4.26% |  |
Discount rate for interest cost (percent) | 3.30% |  |

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- Definition Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate, Interest Cost + References No definition available. + Details
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- Definition Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate, Service Cost + References No definition available. + Details
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- Definition An assumption as to the rate of return on plan assets reflecting the average rate of earnings expected on the funds invested or to be invested to provide for the benefits included in the benefit obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Expected Long-Term Rate of Return on Plan Assets -URI http://asc.fasb.org/extlink&oid=6512046 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (k)(3) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 + Details
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- Definition Expected rate of compensation increases (for pay-related plans). + 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 (k)(2) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 + Details
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