Credit Facility - Additional Information (Detail) (USD $)	12 Months Ended
	Feb. 02, 2013	Dec. 07, 2011
Wells Credit Facility [Member]
Line of Credit Facility [Line Items]
Revolving credit facility term		5 years
Maximum borrowing capacity		$ 100,000,000
Revolving credit facility interest rate description	Borrowings under the Wells Credit Facility bear interest at a floating rate which, at the Company's option, may be determined by reference to a LIBOR Rate or a Base Rate (as defined in the Wells Credit Facility, 4.0% as of February 2, 2013)
Revolving credit facility reference to floating interest rate	4.00%
New credit facility maturity date		Dec. 07, 2016
Letters of credit outstanding	12,000,000
Direct borrowings	0
Availability under Wells Fargo Facility	23,000,000
Terms of the Wells Fargo Facility agreement	Pursuant to the terms of the Wells Fargo Credit Facility agreement, the Company also may be subject to more frequent debt compliance reporting and certain cash control requirements if its availability under the Wells Fargo Facility falls below $25 million.
Wells Credit Facility [Member] | Minimum [Member]
Line of Credit Facility [Line Items]
Availability under Wells Fargo Facility	25,000,000
Minimum Availability Required Under Credit Facility	25,000,000
Swing-line loans [Member]
Line of Credit Facility [Line Items]
Maximum borrowing capacity	$ 12,500,000