Note 3 - Retirement and Other Benefit Plans - Estimated Effect of a 1% Decrease in Healthcare Cost Trend Rate (Details) - USD ($) $ in Thousands	12 Months Ended
Oct. 28, 2016	Oct. 30, 2015
Interest cost plus service cost	$ (5)	$ (4)
Accumulated postretirement healthcare obligation	$ (49)	$ (66)

Amount of effect of a one-percentage-point decrease in the assumed health care cost trend rates on the aggregate of the service and interest cost components of net periodic postretirement health care benefit costs.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (m)
-URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration