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
	Jan. 31, 2018	Jan. 31, 2017
Loans Held for Sale [Member]
Fair value included in net loss all reflected in financial services revenues	$ 2,434	$ (3,024)
Interest Rate Lock Commitments [Member]
Fair value included in net loss all reflected in financial services revenues	(248)	70
Forward Contracts [Member]
Fair value included in net loss all reflected in financial services revenues	$ 268	$ 31