Long-Term Debt (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended	12 Months Ended
	Jul. 29, 2012	Jan. 29, 2012	Jul. 21, 2011
Line of Credit Facility [Line Items]
Debt Instrument, Issuance Date	Jul. 21, 2011
Debt Instrument, Maturity Date	Jul. 21, 2016
Line of Credit Facility, Maximum Borrowing Capacity	$ 120
Amortization of Financing Costs		0.5
Facility fees			0.5
Loan limitations, threshold, minimum	102
Interest rate terms	Based on the Company's average excess availability, the amount advanced to the Company on any Base Rate Loan (as such term is defined in the Facility) bears interest at the highest of (a) the rate of interest in effect for such day as publicly announced from time to time by Wells Fargo as its "prime rate"; (b) the Federal Funds Rate for such day, plus 1.0%; and (c) the LIBO Rate for a 30 day interest period as determined on such day, plus 2.0%. Amounts advanced with respect to any LIBO Borrowing for any Interest Period (as those terms are defined in the Facility) shall bear interest at an interest rate per annum (rounded upwards, if necessary, to the next 1/16 of one percent) equal to (a) the LIBO Rate for such Interest Period multiplied by (b) the Statutory Reserve Rate (as defined in the Facility).
Outstanding Borrowing [Member]
Line of Credit Facility [Line Items]
Interest rate on outstanding borrowing	4.25%
Outstanding borrowing amount	1.5
Outstanding Borrowing [Member]
Line of Credit Facility [Line Items]
Interest rate on outstanding borrowing	2.23%
Outstanding borrowing amount	10.0
Outstanding Borrowing [Member]
Line of Credit Facility [Line Items]
Interest rate on outstanding borrowing	2.25%
Outstanding borrowing amount	$ 30.0