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Reserve Activity (Detail) - USD ($)
$ in Thousands
 9 Months Ended
Oct. 31, 2015
Nov. 01, 2014
Schedule Of Dispositions And Reserves Related To Former Operations [Line Items]    
Balance at beginning of year $ 14,574 $ 31,363
Adjustments to lease-related obligations   (10,313)
Interest accretion   470
Lease-related obligations (1,595) (4,267)
Other (428) (77)
Balance at end of period $ 12,551 $ 17,176