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Retirement Plans - Summary of the Plan's Funded Status (Details) - Pension Plan - USD ($)
$ in Thousands
12 Months Ended
Oct. 31, 2019
Oct. 31, 2018
Change in benefit obligation:    
Benefit obligation at beginning of year $ 19,641 $ 22,268
Administrative expenses 188 254
Interest cost 828 770
Benefits paid (1,453) (1,555)
Actuarial loss (gain) 3,063 (2,096)
Benefit obligation at end of year 22,267 19,641
Change in plan assets:    
Fair value of plan assets at beginning of year 17,237 18,410
Actual return on plan assets 2,845 (218)
Employer contributions 600 600
Benefits paid (1,453) (1,555)
Fair value of plan assets at end of year 19,229 17,237
Amounts recognized in statements of financial position:    
Noncurrent assets 0 0
Current liabilities 0 0
Noncurrent liabilities (3,038) (2,404)
Net obligation recognized in statements of financial position (3,038) (2,404)
Reconciliation of amounts recognized in statements of financial position:    
Prior service cost (189) (233)
Net loss (6,322) (5,418)
Accumulated other comprehensive loss (6,511) (5,651)
Accumulated contributions in excess of net periodic benefit cost $ 3,473 $ 3,247