Operating Groups (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Feb. 02, 2013	Oct. 27, 2012	Jul. 28, 2012	Apr. 28, 2012	Jan. 28, 2012	Oct. 29, 2011	Jul. 30, 2011	Apr. 30, 2011	Feb. 02, 2013	Jan. 28, 2012	Jan. 29, 2011
Geographic area
Net book value of property and equipment, by geographic area	$ 128,882				$ 93,206				$ 128,882	$ 93,206
Net sales	236,246	181,414	206,929	230,953	199,679	170,280	180,646	208,308	855,542	758,913	603,947
North America
Geographic area
Net book value of property and equipment, by geographic area	115,022				86,315				115,022	86,315
Net sales									794,672	693,969	541,750
United Kingdom and Europe
Geographic area
Net book value of property and equipment, by geographic area	8,140				5,211				8,140	5,211
Net sales									51,536	62,671	58,465
Other foreign
Geographic area
Net book value of property and equipment, by geographic area	5,720				1,680				5,720	1,680
Net sales									$ 9,334	$ 2,273	$ 3,732