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, 2018	Oct. 31, 2017	Oct. 31, 2016
Loans Held for Sale [Member]
Fair value included in net loss all reflected in financial services revenues	$ 3,115	$ 4,256	$ 4,711
Interest Rate Lock Commitments [Member]
Fair value included in net loss all reflected in financial services revenues	(28)	(14)	(73)
Forward Contracts [Member]
Fair value included in net loss all reflected in financial services revenues	$ 13	$ 15	$ (422)