Borrowings (Details) (USD $)	12 Months Ended					12 Months Ended				12 Months Ended
	Feb. 02, 2013	Jan. 28, 2012	Jan. 29, 2011	Feb. 02, 2013 Amended and Restated Credit Agreement [Member] quarters	Jul. 28, 2011 Amended and Restated Credit Agreement [Member]	Feb. 02, 2013 Amended and Restated Credit Agreement [Member] Minimum [Member]	Feb. 02, 2013 Amended and Restated Credit Agreement [Member] Maximum [Member]	Feb. 02, 2013 Amended and Restated Credit Agreement [Member] Federal Funds Open Rate Plus 1/2 of 1.0% [Member] Federal Funds Open Rate [Member]	Feb. 02, 2013 Amended and Restated Credit Agreement [Member] Daily Adjusted Eurodollar Rate Plus 1.0% [Member] Daily Adjusted Eurodollar Rate [Member]	Feb. 02, 2013 Term Loan Agreement [Member] quarters	Jan. 23, 2013 Term Loan Agreement [Member]	Feb. 24, 2012 Term Loan Agreement [Member]	Feb. 02, 2013 Term Loan Agreement [Member] Minimum [Member]
Line of Credit Facility [Line Items]
Unsecured credit agreement amount					$ 350,000,000						$ 150,000,000	$ 300,000,000
Interest period						3 months
Period following commencement of interest period				3 months
Debt instrument, basis spread on variable rate								0.50%	1.00%
Forward minimum rent commitment ratios				600.00%						600.00%
Percentage of facility fees accrue						0.125%	0.30%
Leverage ratio under credit facility							3.75
EBITDAR look back period (in consecutive fiscal quarter periods)				4						4
Minimum rent and contingent store rent for coverage ratio under credit facility						1.75							1.75
Total interest expense on borrowings	$ 3,800,000	$ 2,500,000	$ 4,500,000