Note 20 - Changes in Fair Values Included in Income (Loss) (Details) - Financial Services Revenue Line Item [Member] - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 30, 2016	Apr. 30, 2015	Apr. 30, 2016	Apr. 30, 2015
Loans Held for Sale [Member]
Changes in fair value included in net loss all reflected in financial services revenues	$ 1,178	$ 233	$ 3,829	$ 173
Interest Rate Lock Commitments [Member]
Changes in fair value included in net loss all reflected in financial services revenues	377	325	30	59
Forward Contracts [Member]
Changes in fair value included in net loss all reflected in financial services revenues	$ 593	$ 880	$ 550	$ 498