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FreshRealm, LLC - Additional Information (Detail) (USD $)
0 Months Ended 3 Months Ended 6 Months Ended
Apr. 01, 2014
Apr. 30, 2014
Apr. 30, 2013
Apr. 30, 2014
Apr. 30, 2013
Subsidiary or Equity Method Investee [Line Items]          
Expenses incurred   $ 9,111,000 $ 8,190,000 $ 17,383,000 $ 17,011,000
FreshRealm [Member]
         
Subsidiary or Equity Method Investee [Line Items]          
Cash contribution by minority interest   10,000,000   10,000,000  
Ownership percentage by minority stockholder   28.20%   28.20%  
New member contribution to noncontrolling ownership       4,600,000  
Losses attributed to noncontrolling members 10,000,000        
Expenses incurred   500,000   1,000,000  
Development cost     $ 600,000   $ 600,000
FreshRealm [Member] | Maximum [Member]
         
Subsidiary or Equity Method Investee [Line Items]          
Ownership percentage by parent       71.50%  
FreshRealm [Member] | Minimum [Member]
         
Subsidiary or Equity Method Investee [Line Items]          
Ownership percentage by parent       50.80%