Note 20 - 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, 2020	Jan. 31, 2019
Loans Held for Sale [Member]
Fair value included in net loss all reflected in financial services revenues	$ 2,862	$ 1,996
Interest Rate Lock Commitments [Member]
Fair value included in net loss all reflected in financial services revenues	118	225
Forward Contracts [Member]
Fair value included in net loss all reflected in financial services revenues	$ (183)	$ (385)