Deferred Lease Credits (Details) (USD $) In Thousands	Jul. 30, 2011	Jan. 29, 2011
Amortized amounts over the life of related leases
Deferred lease credits	$ 567,405	$ 544,223
Amortized deferred lease credits	(330,575)	(310,066)
Total deferred lease credits, net	$ 236,830	$ 234,157