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Note 20 - Fair Value of Financial Instruments - Changes in Fair Values Included in Income (Loss) (Details) - Financial Services Revenue Line Item [Member] - USD ($)
$ in Thousands
3 Months Ended
Jan. 31, 2021
Jan. 31, 2020
Loans Held for Sale [Member]    
Fair value included in net income all reflected in financial services revenues $ 4,893 $ 2,862
Interest Rate Lock Commitments [Member]    
Fair value included in net income all reflected in financial services revenues 54 118
Forward Contracts [Member]    
Fair value included in net income all reflected in financial services revenues $ (151) $ (183)