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Retirement Plans - Assumptions Used in Determining Benefit Obligations and Net Periodic Benefit Cost (Details) - Pension Plan - USD ($)
$ in Thousands
12 Months Ended
Oct. 31, 2021
Oct. 31, 2020
Oct. 31, 2019
Weighted-average assumptions used to determine benefit obligations:      
Discount rate 2.58% 2.50%  
Assumptions used to determine net periodic benefit cost:      
Discount rate 2.50% 3.00%  
Expected return on plan assets 5.05% 5.66%  
Additional year-end information:      
Projected benefit obligation $ 21,417 $ 22,898 $ 22,267
Accumulated benefit obligation 21,417 22,898  
Fair value of plan assets $ 20,570 $ 19,352 $ 19,229