Reconciliation of Income Taxes At Federal Statutory Rate to Effective Rate (Detail)	12 Months Ended
	Feb. 03, 2013	Jan. 29, 2012	Jan. 30, 2011
Reconciliation of Statutory Federal Tax Rate [Line Items]
Federal income taxes at the statutory rate	35.00%	35.00%	35.00%
State income tax rate	3.30%	3.50%	3.80%
Other	(0.90%)	(0.60%)	(0.80%)
Effective tax rate	37.40%	37.90%	38.00%