Note 20 - 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, 2016	Jul. 31, 2015	Jul. 31, 2016	Jul. 31, 2015
Loans Held for Sale [Member]
Changes in fair value included in net loss all reflected in financial services revenues	$ (175)	$ 5	$ 3,654	$ (168)
Interest Rate Lock Commitments [Member]
Changes in fair value included in net loss all reflected in financial services revenues	560	400	590	341
Forward Contracts [Member]
Changes in fair value included in net loss all reflected in financial services revenues	$ (268)	$ (587)	$ (818)	$ (89)