Senior Revolving Credit Facility (Details) (USD $)	6 Months Ended		0 Months Ended			6 Months Ended
	Aug. 03, 2013	Aug. 03, 2013 Minimum [Member]	Feb. 03, 2011 Senior revolving credit facility [Member]	Aug. 03, 2013 Open documentary letters of credit [Member]	Aug. 03, 2013 Standby Letters of Credit [Member]	Aug. 03, 2013 Federal Funds Rate [Member]	Aug. 03, 2013 London Interbank Offered Rate (LIBOR) [Member] [Member]	Aug. 03, 2013 London Interbank Offered Rate (LIBOR) [Member] [Member] Maximum [Member]	Aug. 03, 2013 London Interbank Offered Rate (LIBOR) [Member] [Member] Minimum [Member]	Aug. 03, 2013 London Interbank Offered Rate (LIBOR) [Member] [Member] Commercial letters of credit [Member]	Aug. 03, 2013 Base Rate [Member] Maximum [Member]	Aug. 03, 2013 Base Rate [Member] Minimum [Member]
Line of Credit Facility [Line Items]
Amount of senior revolving credit facility			$ 35,000,000	$ 2,000,000	$ 1,700,000
Increased senior revolving credit facility			50,000,000
Outstanding credit extensions, maximum percentage		10.00%
Outstanding credit extensions amount	4,000,000
Basis spread on variable rate						0.50%	1.00%	2.00%	1.50%	23.00%	1.00%	0.50%
Unused portion of the line of credit	0.25%
Annual interest rate on the revolving credit facility	(i) the higher of the lender’s prime rate, the Federal funds rate plus 0.5% or the one month London InterBank Offered Rate (LIBOR) plus 1.0%, collectively referred to as the “Base Rate”, plus the applicable margin ranging from 0.5% to 1.0% or, (ii) if the Company elects, either the one, two, three or six months LIBOR plus a margin ranging from 1.5% to 2.0%. The applicable Base Rate or LIBOR margin is based on the level of average excess availability, as defined under the Facility, at the time of election, as adjusted quarterly .
Cash advances and the issuance of additional letters of credit	$ 31,300,000