Property and Equipment (Schedule of Property and Equipment) (Details) - USD ($) $ in Thousands	Jan. 28, 2017	Jan. 30, 2016
Property and Equipment [Line Items]
Property and Equipment, Gross	$ 531,104	$ 475,750
Allowances for Depreciation	311,908	296,740
Property and equipment, net	219,196	179,010
Land and Building [Member]
Property and Equipment [Line Items]
Property and Equipment, Gross	40,363	38,300
Leasehold Improvements [Member]
Property and Equipment [Line Items]
Property and Equipment, Gross	215,347	196,960
Technology Equipment [Member]
Property and Equipment [Line Items]
Property and Equipment, Gross	52,680	49,575
Machinery and Equipment [Member]
Property and Equipment [Line Items]
Property and Equipment, Gross	67,245	35,805
Furniture and Fixtures [Member]
Property and Equipment [Line Items]
Property and Equipment, Gross	148,473	121,186
Construction in Progress [Member]
Property and Equipment [Line Items]
Property and Equipment, Gross	$ 6,996	$ 33,924