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Operating Groups (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Jan. 31, 2015	Nov. 01, 2014	Aug. 02, 2014	May 03, 2014	Feb. 01, 2014	Nov. 02, 2013	Aug. 03, 2013	May 04, 2013	Jan. 31, 2015	Feb. 01, 2014	Feb. 02, 2013
Geographic area
Net book value of property and equipment, by geographic area	$ 155,076us-gaap_PropertyPlantAndEquipmentNet				$ 141,519us-gaap_PropertyPlantAndEquipmentNet				$ 155,076us-gaap_PropertyPlantAndEquipmentNet	$ 141,519us-gaap_PropertyPlantAndEquipmentNet
Net sales	274,454us-gaap_SalesRevenueNet	219,457us-gaap_SalesRevenueNet	246,246us-gaap_SalesRevenueNet	257,649us-gaap_SalesRevenueNet	250,364us-gaap_SalesRevenueNet	197,506us-gaap_SalesRevenueNet	235,024us-gaap_SalesRevenueNet	234,203us-gaap_SalesRevenueNet	997,806us-gaap_SalesRevenueNet	917,097us-gaap_SalesRevenueNet	855,542us-gaap_SalesRevenueNet
United States
Geographic area
Net book value of property and equipment, by geographic area	140,104				124,894				140,104	124,894
Net sales									904,647	843,620	793,289
United Kingdom and Europe
Geographic area
Net book value of property and equipment, by geographic area	7,764				7,086				7,764	7,086
Net sales									55,159	45,488	51,536
Other foreign
Geographic area
Net book value of property and equipment, by geographic area	7,208				9,539				7,208	9,539
Net sales									$ 38,000	$ 27,989	$ 10,717