Invetories (Details) (USD $)	Jul. 28, 2012	Jan. 28, 2012	Jul. 30, 2011
Inventory Disclosure [Abstract]
Inventory Valuation Reserves	$ 34,200,000	$ 72,300,000	$ 17,400,000
Inventory Shrink Reserve	11,000,000	9,300,000	9,100,000
Inventory, Net	$ 621,740,000	$ 569,818,000	$ 516,100,000