Borrowings (Details) (USD $)	3 Months Ended		6 Months Ended
	Jul. 28, 2012	Jul. 30, 2011	Jul. 28, 2012	Jul. 30, 2011	Jul. 28, 2012 Letter of Credit [Member]	Jan. 28, 2012 Letter of Credit [Member]	Jul. 28, 2012 Amended [Member]	Jul. 30, 2011 Amended [Member]	Jul. 28, 2012 Amended [Member] Minimum [Member]	Jul. 28, 2012 Amended [Member] Maximum [Member]	Jul. 28, 2012 Term Loan Agreement [Member]	Feb. 24, 2012 Term Loan Agreement [Member]
Line of Credit Facility [Line Items]
Syndicate unsecured credit agreement amount								$ 350,000,000				$ 300,000,000
Percentage of leverage ratio	600.00%		600.00%									600.00%
Percentage of facility fees accrue									0.125%	0.30%
Leverage ratio under credit facility									1.00	3.75
Line of credit facility, amount outstanding					0	0					0
Minimum rent and contingent store rent for coverage ratio under credit facility									1.00	2.00
Borrowings	75,000,000		75,000,000				75,000,000
Long-term debt (Textuals) [Abstract]
Interest Expense, total	$ 900,000	$ 800,000	$ 1,500,000	$ 1,800,000