Property and Equipment, Net (Details) - USD ($) $ in Thousands	Aug. 01, 2015	Jan. 31, 2015
Property, Plant and Equipment [Line Items]
Property and equipment, at cost	$ 2,802,562	$ 2,797,250
Less: accumulated depreciation and amortization	(1,855,509)	(1,830,249)
Property and equipment, net	947,053	967,001
Construction Project Assets [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, net	$ 38,500	$ 40,100