Industry Segment Operations (Narrative) (Details)	12 Months Ended
Oct. 25, 2015 reportable_unit Segment
Segment Reporting [Abstract]
Number of reportable segments \| Segment	4
Number of reporting units \| reportable_unit	3

Number of reporting units tested for impairment of goodwill. A reporting unit is an operating segment or one level below an operating segment.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Reporting Unit
-URI http://asc.fasb.org/extlink&oid=6523643

Name:	us-gaap_NumberOfReportingUnits
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration