Debt (Detail) (USD $)			12 Months Ended			12 Months Ended		12 Months Ended
	Feb. 02, 2013 Minimum [Member] LIBOR Rate [Member] Second Amended Credit Facility [Member]	Feb. 02, 2013 Minimum [Member] Base Rate [Member] Second Amended Credit Facility [Member]	Feb. 02, 2013 Minimum [Member] Second Amended Credit Facility [Member]	Feb. 02, 2013 Maximum [Member] LIBOR Rate [Member] Second Amended Credit Facility [Member]	Feb. 02, 2013 Maximum [Member] Base Rate [Member] Second Amended Credit Facility [Member]	Feb. 02, 2013 Maximum [Member] Second Amended Credit Facility [Member]	Jan. 29, 2005 Mortgage Loan [Member]	Jan. 29, 2011 Revolving Credit Facility [Member]	Oct. 20, 2006 Revolving Credit Facility [Member]	Mar. 23, 2006 Revolving Credit Facility [Member]	Jan. 05, 2006 Revolving Credit Facility [Member]	Apr. 30, 2010 Amended Credit Facility [Member]	May 31, 2012 Second Amended Credit Facility [Member]	Feb. 02, 2013 Amended And Second Amended Credit Facility Member	Jan. 28, 2012 Amended And Second Amended Credit Facility Member
Line of Credit Facility Agreement Term											5 years
Line of Credit Facility, Maximum Borrowing Capacity									$ 150,000,000	$ 130,000,000	$ 100,000,000	$ 100,000,000	$ 75,000,000
Debt Instrument, Basis Spread on Variable Rate	2.25%	0.75%		2.75%	1.25%						0.75%
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage			0.375%			0.50%
Line of Credit Facility, Maximum Amount Outstanding During Period								32,900,000
Letters of Credit Outstanding, Amount														0.3	300,000
Line of Credit Facility, Remaining Borrowing Capacity														54,000,000	69,000,000
Debt Instrument, Face Amount							$ 5,800,000