Operating Groups (Details 2) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Jan. 28, 2017	Oct. 29, 2016	Jul. 30, 2016	Apr. 30, 2016	Jan. 30, 2016	Oct. 31, 2015	Aug. 01, 2015	May 02, 2015	Jan. 28, 2017	Jan. 30, 2016	Jan. 31, 2015
Geographic area
Net book value of property and equipment, by geographic area	$ 193,931				$ 184,094				$ 193,931	$ 184,094
Net sales	261,049	$ 222,308	$ 282,996	$ 256,235	259,583	$ 198,624	$ 250,689	$ 260,394	1,022,588	969,290	$ 920,325
United States
Geographic area
Net book value of property and equipment, by geographic area	186,549				178,390				186,549	178,390
Net sales									986,062	932,878	885,271
Other foreign (1)
Geographic area
Net book value of property and equipment, by geographic area	$ 7,382				$ 5,704				7,382	5,704
Net sales									$ 36,526	$ 36,412	$ 35,054