Financial Arrangements, Commitments and Contingencies Capital Leased assets (Details) (USD $) In Thousands, unless otherwise specified	Jan. 29, 2012	Jan. 30, 2011
Capital Leased Assets [Line Items]
Capital Leases, Future Minimum Payments Due, Current	$ 4,821
Capital Leases, Future Minimum Payments Due in Two Years	4,926
Capital Leases, Future Minimum Payments Due in Three Years	4,887
Capital Leases, Future Minimum Payments Due in Four Years	4,997
Capital Leases, Future Minimum Payments Due in Five Years	5,147
Capital Leases, Future Minimum Payments Due Thereafter	10,762
Capital Leases, Future Minimum Payments Due	35,540
Capital Leases, Future Minimum Payments, Present Value of Net Minimum Payments	23,455
Capital Lease Obligations, Current	2,016
Capital Lease Obligations, Noncurrent	21,439	23,389
Building [Member]
Capital Leased Assets [Line Items]
Capital Leases, Future Minimum Payments Due	$ 35,000