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Reserve Activity (Detail) (USD $)
In Thousands, unless otherwise specified
 6 Months Ended
Jul. 28, 2012
Jul. 30, 2011
Schedule Of Dispositions And Reserves Related To Former Operations [Line Items]    
Balance at beginning of year $ 45,381 $ 54,695
A.J. Wright closing costs   32,686
Interest accretion 356 430
Lease-related obligations (6,929) (14,123)
Termination benefits and all other (1,153) (15,471)
Balance at end of period $ 37,655 $ 58,217