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Dispositions And Reserves Related To Former Operations (Reserves Related To Former Operations) (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended
Apr. 28, 2012
Apr. 30, 2011
Dispositions And Reserves Related To Former Operations [Abstract]    
Balance at beginning of year $ 45,381 $ 54,695
A.J. Wright closing costs   32,686
Interest accretion 215 215
Lease-related obligations (3,516) (4,882)
Termination benefits and all other (1,047) (8,928)
Balance at end of period $ 41,033 $ 73,786