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Note 6 - Warranty Costs (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Jan. 31, 2014	Jan. 31, 2013	Oct. 31, 2013
Product Warranties Disclosures [Abstract]
Cash Received From Subcontractors For Owner Controlled Insurance Program	$ 0.4	$ 0.5
General Liability Insurance, Deductible	20		20
Bodily Injury Insurance, Deductible	0.25		0.25
Bodily Injury Insurance, Limit	5		5
Aggregate Retention for Construction Defects, Warranty and Bodily Injury Claims	21		21
Payments by Insurance Companies for Claims	$ 2.9	$ 1.0