Income Taxes (Details 2)	12 Months Ended
	Feb. 02, 2013	Jan. 28, 2012	Jan. 29, 2011
Reconciliation of actual tax rate to federal statutory rate
Tax expense at U.S. statutory rate (as a percent)	34.00%	34.00%	34.20%
State income taxes, net of federal income tax benefit (as a percent)	2.40%	1.70%	4.70%
State income tax refund, net of federal income tax (as a percent)		(9.40%)
Nondeductible expenses (as a percent)	0.40%	0.70%	1.00%
Other (as a percent)	0.30%	1.00%	0.30%
Tax provision (as a percent)	37.10%	28.00%	40.20%