RETIREMENT AND BENEFIT PLANS Assumed Health Care Cost Trend Rates and Assumptions (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Jan. 29, 2012	Jan. 30, 2011	Jan. 31, 2010
Defined Benefit Plan, Effect of One-Percentage Point Change in Assumed Health Care Cost Trend Rates [Abstract]
Impact of 1% increase on service and interest cost	$ 62
Impact of 1% decrease on service and interest cost	(56)
Impact of 1% increase on year-end accumulated postretirement benefit obligation	1,168
Impact of 1% decrease on year-end accumulated postretirement benefit obligation	$ (1,055)
Defined Benefit Plan, Assumptions Used in Calculations [Abstract]
Discount rate	5.06%	6.09%	6.35%
Rate of increase in compensation levels (applies to pension plans only)	4.31%	4.30%	4.29%
Long-term rate of return on assets (applies to pension plans only)	7.75%	8.25%	8.25%

The interest rate used to adjust for the time value of money for the plan.

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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Expected rate of compensation increases (for pay-related plans).

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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

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-Glossary Expected Long-Term Rate of Return on Plan Assets

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The effect of a one-percentage-point decrease in the assumed health care cost trend rates on the accumulated postretirement benefit obligation for health care benefits.

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The effect of a one-percentage- point decrease in the assumed health care cost trend rates on the aggregate of the service and interest cost components of net periodic postretirement health care benefit costs.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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The effect of a one-percentage-point increase in the assumed health care cost trend rates on the accumulated postretirement benefit obligation for health care benefits.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 132R

-Paragraph 5

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The effect of a one-percentage-point increase in the assumed health care cost trend rates on the aggregate of the service and interest cost components of net periodic postretirement health care benefit costs.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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-Paragraph 5

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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