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Note 6 - Warranty Costs (Details Textual) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 31, 2016	Jul. 31, 2015	Jul. 31, 2016	Jul. 31, 2015	Oct. 31, 2015
General Liability Insurance Deductible	$ 20,000		$ 20,000		$ 20,000
Bodily Injury Insurance Deductible	250		250		250
Bodily Injury Insurance Limit	5,000		5,000		5,000
Aggregate Retention for Construction Defects Warranty and Bodily Injury Claims	21,000		21,000		$ 21,000
Cash Received from Subcontractors for Owner Controlled Insurance Program			3,100	$ 2,200
Payments by Insurance Companies for Claims	$ 200	$ 400	$ 3,900	$ 18,700