Note 6 - Warranty Costs (Details Textual) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 31, 2019	Jul. 31, 2018	Jul. 31, 2019	Jul. 31, 2018
Cash Received from Subcontractors for Owner Controlled Insurance Program	$ 1,200	$ 1,300	$ 3,400	$ 3,300
General Liability Insurance Deductible	20,000	20,000	20,000	20,000
Bodily Injury Insurance Deductible	250	250	250	250
Bodily Injury Insurance Limit	5,000	5,000	5,000	5,000
Aggregate Retention for Construction Defects Warranty and Bodily Injury Claims	20,000	20,000	20,000	20,000
Payments by Insurance Companies for Claims	$ 100	$ 100	$ 100	$ 100