Inventory (Details) (USD $)	Apr. 28, 2012	Jan. 28, 2012	Apr. 30, 2011
Inventory Disclosure [Abstract]
Inventory Valuation Reserves	$ 34,700,000	$ 72,300,000	$ 39,200,000
Inventory Shrink Reserve	7,100,000	9,300,000	5,600,000
Inventory, Net	$ 517,564,000	$ 569,818,000	$ 358,400,000