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Note 21 - Fair Value of Financial Instruments - Changes in Fair Values Included in Income (Loss) (Details) - Financial Services Revenue Line Item [Member] - USD ($)
$ in Thousands
12 Months Ended
Oct. 31, 2017
Oct. 31, 2016
Oct. 31, 2015
Loans Held for Sale [Member]      
Fair value included in net loss all reflected in financial services revenues $ 4,256 $ 4,711 $ (284)
Interest Rate Lock Commitments [Member]      
Fair value included in net loss all reflected in financial services revenues (14) (73) (22)
Forward Contracts [Member]      
Fair value included in net loss all reflected in financial services revenues $ 15 $ (422) $ 829