Note 6 - Warranty Costs (Details) - USD ($) $ in Thousands	3 Months Ended
	Jan. 31, 2016	Jan. 31, 2015	Oct. 31, 2015
Product Warranties Disclosures [Abstract]
Cash Received from Subcontractors for Owner Controlled Insurance Program	$ 1,000	$ 600
General Liability Insurance, Deductible	20,000		$ 20,000
Bodily Injury Insurance, Deductible	250		250
Bodily Injury Insurance, Limit	5,000		5,000
Aggregate Retention for Construction Defects, Warranty and Bodily Injury Claims	21,000		$ 21,000
Payments by Insurance Companies for Claims	$ 3,200	$ 200