Inventory Purchase Concentration (Details) (Supplier Concentration Risk [Member])	3 Months Ended		6 Months Ended
	Jul. 30, 2011	Jul. 31, 2010	Jul. 30, 2011	Jul. 31, 2010
Largest Vendor [Member]
Concentration Risk [Line Items]
Concentration Risk, Percentages	50.30%	52.10%	48.70%	50.70%
Second Largest Vendor [Member]
Concentration Risk [Line Items]
Concentration Risk, Percentages	11.40%	8.50%	10.60%	7.50%
Third Largest Vendor [Member]
Concentration Risk [Line Items]
Concentration Risk, Percentages	8.70%	8.20%	8.10%	7.40%