Income Taxes (Details 2)	12 Months Ended
	Jan. 30, 2016	Jan. 31, 2015	Feb. 01, 2014
Reconciliation of actual tax rate to federal statutory rate
Tax expense at U.S. statutory rate (as a percent)	34.00%	34.00%	34.00%
State income taxes, net of federal income tax benefit (as a percent)	1.50%	1.10%	1.80%
Adjustments to unrecognized tax benefits (as a percent)	(1.50%)	(2.80%)
Nondeductible expenses (as a percent)	0.10%	0.10%	0.10%
Tax provision (as a percent)	34.10%	32.40%	35.90%