Note 19 - 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		9 Months Ended
	Jul. 31, 2019	Jul. 31, 2018	Jul. 31, 2019	Jul. 31, 2018
Loans Held for Sale [Member]
Fair value included in net loss all reflected in financial services revenues	$ (477)	$ (315)	$ 2,465	$ 2,226
Interest Rate Lock Commitments [Member]
Fair value included in net loss all reflected in financial services revenues	25	53	42	(17)
Forward Contracts [Member]
Fair value included in net loss all reflected in financial services revenues	$ (57)	$ (41)	$ (36)	$ 83