Derivatives and Hedging - Fair Value Of Derivatives (Details) - USD ($) $ in Thousands	Oct. 30, 2016	Oct. 25, 2015
Derivatives fair value
Fair values of derivative instruments	$ (50)	$ 553
Derivatives designated as hedges \| Commodity contracts \| Other current assets
Derivatives fair value
Fair values of derivative instruments	(194)	305
Derivatives not designated as hedges \| Commodity contracts \| Other current assets
Derivatives fair value
Fair values of derivative instruments	$ 144	$ 248

Fair values as of the balance sheet date of the net amount of all assets and liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958

Name:	us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant