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Reserve Activity (Detail) (USD $)
In Thousands, unless otherwise specified
 9 Months Ended
Oct. 27, 2012
Oct. 29, 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 16,000 32,686
Interest accretion 536 646
Lease-related obligations (10,008) (18,952)
Termination benefits and all other (1,124) (16,761)
Balance at end of period $ 50,785 $ 52,314