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Employee Retirement and Deferred Compensation Plans (Details) - Supplemental Employee Retirement Plan [Member] - USD ($)
$ in Thousands
 12 Months Ended
Oct. 31, 2021
Oct. 31, 2020
Oct. 31, 2019
Plan costs      
Service cost $ 452 $ 453 $ 403
Interest cost 926 1,158 1,416
Amortization of prior service obligation 1,723 1,468 506
Amortization of unrecognized losses 77 23 0
Total costs 3,178 3,102 2,325
Projected benefit obligation [Roll Forward]      
Projected benefit obligation, beginning of year 48,374 45,070 35,515
Plan amendments adopted during year 755 2,600 4,956
Service cost 452 453 403
Interest cost 926 1,158 1,416
Benefit payments (1,894) (1,636) (1,358)
Change in unrecognized gain/loss (908) 729 4,138
Projected benefit obligation, end of year 47,705 48,374 45,070
Unamortized Prior Service Cost [Roll Forward]      
Unamortized prior service cost, beginning of year 6,452 5,320 870
Plan amendments adopted during year 755 2,600 4,956
Amortization of prior service cost (1,723) (1,468) (506)
Unamortized prior service cost, end of year 5,484 6,452 5,320
Accumulated unrecognized loss (2,288) (3,273) (2,567)
Accumulated benefit obligation 47,705 48,374 45,070
Accrued benefit obligation 47,705 $ 48,374 $ 45,070
Defined Benefit Plan, Expected Future Benefit Payment [Abstract]      
2022 2,597    
2023 2,809    
2024 3,062    
2025 3,327    
2026 3,629    
November 1, 2026 – October 31, 2031 $ 17,506