Note 8 - Cash and Cash Equivalents, Restricted Cash and Cash Equivalents and Customer's Deposits (Details Textual) - USD ($) $ in Thousands	Jul. 31, 2019	Oct. 31, 2018	Jul. 31, 2018
Cash Equivalents, at Carrying Value, Total	$ 91,800	$ 199,600
Mortgage Warehouse Lines of Credit [Member]
Restricted Cash and Cash Equivalents, Total	2,300	2,000
Homebuilding [Member]
Restricted Cash and Cash Equivalents, Total	16,919	12,808	$ 25,345
Financial Services [Member]
Restricted Cash and Cash Equivalents, Total	20,398	25,400	$ 23,479
Financial Services [Member] | Customer Deposits [Member]
Restricted Cash and Cash Equivalents, Total	$ 18,100	$ 23,400