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Note 3 - Retirement and Other Benefit Plans - Healthcare Obligation and Funded Status of Plan (Details) - USD ($)
$ in Thousands
 12 Months Ended
Oct. 28, 2016
Oct. 30, 2015
Change in accumulated postretirement healthcare obligation:    
Benefit obligations - beginning of year $ 59,931 $ 54,277
Service cost 130 113
Interest cost 2,448 2,176
Actuarial (gain) loss 7,266 4,783
Benefits paid (1,488) (1,418)
Benefit obligations – end of year 68,287 59,931
Funded status of the plans (26,416) (18,512)
Postretirement Health Coverage [Member]    
Change in accumulated postretirement healthcare obligation:    
Benefit obligations - beginning of year 1,003 965
Service cost 13 20
Interest cost 28 36
Eliminate FSA (441)
Actuarial (gain) loss (89) 1
Benefits paid (3) (19)
Benefit obligations – end of year 511 1,003
Funded status of the plans 511 1,003
Unrecognized prior service costs (308)  
Unrecognized net actuarial gain (156) (174)
Unrecognized amounts recorded in other comprehensive income 464 174
Postretirement healthcare liability $ 511 $ 1,003