Employee Benefit Plans (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
Jul. 30, 2011	Jul. 31, 2010	Jul. 30, 2011	Jul. 31, 2010
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]
Discount Rate			5.70%	5.70%
Rate of Increase in Compensation Levels			3.90%	3.50%
Expected Long-term Rate of Return			8.00%	8.00%
Defined Benefit Plan, Net Periodic Benefit Cost [Abstract]
Defined Benefit Plan, Service Cost	$ 486	$ 609	$ 1,106	$ 1,218
Defined Benefit Plan, Interest Cost	904	814	1,748	1,628
Defined Benefit Plan, Expected Return on Plan Assets	(1,164)	(1,062)	(2,313)	(2,124)
Defined Benefit Plan, Amortization of Gains (Losses)	544	554	898	1,108
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)	(8)	(9)	(17)	(18)
Defined Benefit Plan, Amortization of Transition Obligations (Assets)	3	3	6	6
Defined Benefit Plan, Net Periodic Benefit Cost	$ 765	$ 909	$ 1,428	$ 1,818

The amount of gains or losses recognized in net periodic benefit cost.

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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-Publisher FASB
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-Section 50
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The amount of the prior service cost or credit recognized in net periodic benefit cost relating to benefit changes attributable to plan participants' prior service pursuant to a plan amendment or a plan initiation.

+ 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 amount of the transition obligation or asset recognized in net periodic benefit cost.

+ References

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- Definition

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

+ References

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-Publisher FASB
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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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- Definition

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

+ References

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- Definition

An amount calculated as a basis for determining the extent of delayed recognition of the effects of changes in the fair value of assets. The expected return on plan assets is determined based on the expected long-term rate of return on plan assets and the market-related value of plan assets.

+ References

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-Publisher FASB
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Reference 4: http://www.xbrl.org/2003/role/presentationRef
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- Definition

The increase in a defined benefit pension plan's projected benefit obligation or a defined benefit postretirement plan's accumulated postretirement benefit obligation due to the passage of time.

+ References

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The total amount of net periodic benefit cost for defined benefit plans for the period. Periodic benefit costs include the following components: service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) due to settlements or curtailments.

+ 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 actuarial present value of benefits attributed by the pension benefit formula to services rendered by employees during the period. The portion of the expected postretirement benefit obligation attributed to employee service during the period. The service cost component is a portion of the benefit obligation and is unaffected by the funded status of the plan.

+ References

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