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Discontinued Operations - Additional Information (Detail) (USD $)
 3 Months Ended 9 Months Ended 12 Months Ended
Nov. 02, 2013
Oct. 27, 2012
Nov. 02, 2013
Oct. 27, 2012
Jan. 31, 2013
Deferred Financing Costs [Line Items]          
Proceeds from sale         $ 18,600,000
Cash reserve in escrow         1,800,000
Period of cash reserved     12 months    
Service agreement expiration date     Jan. 31, 2014    
Agreement effective start date     Feb. 01, 2014    
Term of agreement     2 years    
Income tax expense (benefit) of discontinued operations (89,000) (2,000) 333,000 928,000  
Expense included in income tax     464,000 844,000  
Discontinued Operations [Member]
          
Deferred Financing Costs [Line Items]          
Income tax benefit from favorable adjustment prior year tax return 169,000   169,000    
Expense included in income tax $ 80,000   $ 167,000