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Retirement Plans - Weighted Average Assumptions (Details)
12 Months Ended
Oct. 31, 2020
Nov. 02, 2019
Projected benefit obligation    
Discount rate 2.15% 2.45%
Rate of increase in compensation levels 3.19% 3.38%
Net annual periodic pension cost was determined using the following weighted average assumptions    
Discount rate 2.45% 3.53%
Expected long-term return on plan assets 5.22% 6.16%
Rate of increase in compensation levels 3.38% 3.26%