Long-term Debt (Details) (USD $)	3 Months Ended		9 Months Ended
	Oct. 29, 2011	Oct. 30, 2010	Oct. 29, 2011	Oct. 30, 2010	Jan. 29, 2011	Oct. 29, 2011 Letter of Credit [Member]	Jan. 29, 2011 Letter of Credit [Member]	Jul. 28, 2011 Amended [Member]	Oct. 29, 2011 Amended [Member] Minimum [Member]	Oct. 29, 2011 Amended [Member] Maximum [Member]
Line of Credit Facility [Line Items]
Syndicate unsecured credit agreement amount								$ 350,000,000
Percentage of facility fees accrue									0.125%	0.30%
Leverage ratio under credit facility									1.00	3.75
Line of credit facility, amount outstanding					43,800,000	0	0
Minimum rent and contingent store rent for coverage ratio under credit facility									1.00	2.00
Long-term debt (Textuals) [Abstract]
Landlord financing obligations	26,300,000	24,800,000	26,300,000	24,800,000
Interest Expense, total	$ 1,800,000	$ 1,900,000	$ 6,200,000	$ 5,700,000
Average interest rate for the long-term debt recorded under the Amended Credit Agreement			2.40%
Minimum long term debt payment due period for determination of coverage ratio			12 months