Dispositions and Reserves related to Former Operations (Details) (USD $) In Thousands	3 Months Ended
	Apr. 30, 2011	May 01, 2010
Reserves Related to Former Operations
Beginning Balance	$ 54,695	$ 35,897
Additions (reductions) to the reserve charged to net income:
A.J. Wright closing costs	32,686
Interest accretion	215	369
Charges against the reserve:
Lease-related obligations	(4,882)	(2,996)
Termination benefits and all other	(8,928)	(51)
Ending Balance	$ 73,786	$ 33,219