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Reserves Related to Former Operations - Additional Information (Detail)
$ in Thousands
6 Months Ended
Aug. 01, 2015
Aug. 02, 2014
USD ($)
Schedule Of Dispositions And Reserves Related To Former Operations [Line Items]    
Decrease in reserve for lease related obligations of former operations classified as discontinued operations   $ (6,500)
Former operations reserve to be paid, in years 2 years  
Number of leases on which company is liable 12