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Retirement Plans - Summary of the Plan's Funded Status (Details) - Pension Plan - USD ($)
$ in Thousands
 12 Months Ended
Oct. 31, 2020
Oct. 31, 2019
Change in benefit obligation:    
Benefit obligation at beginning of year $ 22,267 $ 19,641
Administrative expenses 278 188
Interest cost 641 828
Benefits paid (1,524) (1,453)
Actuarial loss 1,236 3,063
Benefit obligation at end of year 22,898 22,267
Change in plan assets:    
Fair value of plan assets at beginning of year 19,229 17,237
Actual return on plan assets 1,647 2,845
Employer contributions 0 600
Benefits paid (1,524) (1,453)
Fair value of plan assets at end of year 19,352 19,229
Amounts recognized in statements of financial position:    
Noncurrent assets 0 0
Current liabilities 0 0
Noncurrent liabilities (3,546) (3,038)
Net obligation recognized in statements of financial position (3,546) (3,038)
Reconciliation of amounts recognized in statements of financial position:    
Prior service cost (144) (189)
Net loss (6,162) (6,322)
Accumulated other comprehensive loss (6,306) (6,511)
Accumulated contributions in excess of net periodic benefit cost $ 2,760 $ 3,473