Borrowings (Details) (USD $)	3 Months Ended						3 Months Ended		3 Months Ended
	May 04, 2013	Apr. 28, 2012	May 04, 2013 Amended and Restated Credit Agreement [Member] quarters	Jul. 28, 2011 Amended and Restated Credit Agreement [Member]	May 04, 2013 Amended and Restated Credit Agreement [Member] Federal Funds Open Rate Plus 1/2 of 1% [Member] Federal Funds Open Rate [Member]	May 04, 2013 Amended and Restated Credit Agreement [Member] Daily Adjusted Eurodollar Rate Plus 1.0% [Member] Daily Adjusted Eurodollar Rate [Member]	May 04, 2013 Amended and Restated Credit Agreement [Member] Minimum [Member]	May 04, 2013 Amended and Restated Credit Agreement [Member] Maximum [Member]	May 04, 2013 Term Loan Agreement [Member] quarters	Jan. 23, 2013 Term Loan Agreement [Member]	Feb. 24, 2012 Term Loan Agreement [Member]	May 04, 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 ratio			600.00%						600.00%
Percentage 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
Quarterly amortization payment, principal									3,750,000
Final repayment									90,000,000
Borrowings	146,300,000								146,300,000
Interest expense, total	$ 1,047,000	$ 600,000