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Derivatives and Hedging (Details 2) - USD ($)
$ in Thousands
Oct. 25, 2015
Oct. 26, 2014
Derivatives fair value    
Asset Derivatives, Other current assets $ 553 $ (8,062)
Derivatives designated as hedges | Commodity contracts | Other current assets    
Derivatives fair value    
Asset Derivatives, Other current assets 305 (7,124)
Derivatives not designated as hedges | Commodity contracts | Other current assets    
Derivatives fair value    
Asset Derivatives, Other current assets $ 248 $ (938)