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Note 15 - Share-based Compensation Plans (Details Textual)
$ / shares in Units, $ in Thousands
12 Months Ended
Oct. 31, 2023
USD ($)
$ / shares
shares
Oct. 31, 2022
USD ($)
$ / shares
shares
Oct. 31, 2021
USD ($)
$ / shares
shares
Oct. 31, 2020
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares) 300,000      
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares) 0 0 0  
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period, Intrinsic Value | $ $ 200 $ 200 $ 4,800  
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price (in dollars per share) | $ / shares $ 6.29 $ 16.46 $ 8.82  
Share-based Compensation Arrangement by Share-based Payment Award, Participants Years of Service (Year) 15 years      
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount | $ $ 16,200      
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year) 1 year 7 months 6 days      
Share-Based Payment Arrangement, Expense | $ $ 14,200 $ 10,300 $ 7,700  
Share-Based Payment Arrangement, Expense, after Tax | $ $ 11,400 7,300 5,200  
Nonemployee Director [Member]        
Number of Directors 6      
Share-based Compensation Arrangement by Share-based Payment Award, Post-vesting Holding Period (Year) 2 years      
Share-Based Payment Arrangement, Option [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Number of Installments 4      
Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period (Year) 10 years      
Share-Based Payment Arrangement, Expense | $ $ 27 $ 100 $ 200  
Share-Based Payment Arrangement, Option [Member] | Nonemployee Director [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Number of Installments 3      
Share-Based Payment Arrangement, Option [Member] | Share-Based Payment Arrangement, Tranche One [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year) 2 years      
Share-Based Payment Arrangement, Option [Member] | Share-Based Payment Arrangement, Tranche One [Member] | Nonemployee Director [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year) 1 year      
Share-Based Payment Arrangement, Option [Member] | Share-Based Payment Arrangement, Tranche Two [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year) 3 years      
Share-Based Payment Arrangement, Option [Member] | Share-Based Payment Arrangement, Tranche Two [Member] | Nonemployee Director [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year) 2 years      
Share-Based Payment Arrangement, Option [Member] | Share-Based Payment Arrangement, Tranche Three [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year) 4 years      
Share-Based Payment Arrangement, Option [Member] | Share-Based Payment Arrangement, Tranche Three [Member] | Nonemployee Director [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year) 3 years      
Share-Based Payment Arrangement, Option [Member] | Share-Based Payment Arrangement, Tranche Four [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year) 5 years      
Restricted Stock Units (RSUs) [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Shares Issued in Period (in shares) 51,296      
Restricted Stock Units (RSUs) [Member] | Officers and Associates [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Number of Installments 4      
Restricted Stock Units (RSUs) [Member] | Share-Based Payment Arrangement, Tranche One [Member] | Officers and Associates [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year) 1 year      
Restricted Stock Units (RSUs) [Member] | Share-Based Payment Arrangement, Tranche Two [Member] | Officers and Associates [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year) 2 years      
Restricted Stock Units (RSUs) [Member] | Share-Based Payment Arrangement, Tranche Three [Member] | Officers and Associates [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year) 3 years      
Restricted Stock Units (RSUs) [Member] | Share-Based Payment Arrangement, Tranche Four [Member] | Officers and Associates [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year) 4 years      
Restricted Stock [Member] | Participants With Service Requirement [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Participants Age (Year) 58 years      
Restricted Stock [Member] | Participants Without Service Requirement [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Participants Age (Year) 60 years      
Time-based Share Units [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Deferred (in shares) 27,686      
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) 63,275      
Performance-based Performance Share Units (PSUs) [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Number of Installments       4
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Deferred (in shares) 149,693      
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate 66.66% 78.82% 112.44%  
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate 4.54% 3.04% 0.16%  
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate 0.00% 0.00% 0.00%  
Performance-based Performance Share Units (PSUs) [Member] | Share-Based Payment Arrangement, Tranche One [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)       2 years
Performance-based Performance Share Units (PSUs) [Member] | Share-Based Payment Arrangement, Tranche Two [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)       3 years
Performance-based Performance Share Units (PSUs) [Member] | Share-Based Payment Arrangement, Tranche Three [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)       4 years
Performance-based Performance Share Units (PSUs) [Member] | Share-Based Payment Arrangement, Tranche Four [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)       5 years
Performance-based Performance Share Units (PSUs) [Member] | Share-Based Payment Arrangement, Cliff Vesting [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year) 3 years 3 years 3 years  
LTIP Shares [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate 75.29% 104.16% 112.92%  
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate 4.19% 0.67% 0.16%  
Share-Based Compensation Arrangement by Share-Based Payment Award, Shares Issued in Period (in shares) 32,671      
LTIP Shares [Member] | Share-Based Payment Arrangement, Tranche One [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year) 3 years      
LTIP Shares [Member] | Share-Based Payment Arrangement, Tranche Two [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year) 4 years      
LTIP Shares [Member] | Share-Based Payment Arrangement, Tranche Three [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year) 5 years      
Market Stock Units [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) 0 0 0  
Share-based Compensation Arrangement By Share-based Compensation Award Fair Value Measurement Period (Day) 60 days      
Share-Based Compensation Arrangement by Share-Based Payment Award, Shares Issued in Period (in shares) 43,268      
Market Stock Units [Member] | Minimum [Member]        
Percentage of Target Number of Shares Covered by MSU Awards 0.00%      
Market Stock Units [Member] | Maximum [Member]        
Percentage of Target Number of Shares Covered by MSU Awards 200.00%      
Market Stock Units [Member] | Share-Based Payment Arrangement, Tranche One [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Number of Installments 4      
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage 50.00%      
Performance Based MSUs [Member] | Share-Based Payment Arrangement, Tranche Two [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Number of Installments 4      
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage 50.00%      
RSUs and Performance Units [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Grant Date Fair Value | $ $ 10,400 $ 9,600 $ 9,200  
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Grant Date Fair Value | $ 25,200 15,600 13,700  
Non Options [Member]        
Share-Based Payment Arrangement, Expense | $ $ 14,200 $ 10,200 $ 7,400