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Note 6 (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Jul. 31, 2013	Jul. 31, 2012	Jul. 31, 2013	Jul. 31, 2012	Oct. 31, 2012
Product Warranties Disclosures [Abstract]
Cash Received From Subcontractors For Owner Controlled Insurance Program			$ 1.6	$ 1.3
General Liability Insurance, Deductible	20	20	20	20
Bodily Injury Insurance, Deductible	0.25	0.10	0.25	0.10
Bodily Injury Insurance, Limit	5		5		5
Aggregate Retention for Construction Defects, Warranty and Bodily Injury Claims	21	21	21	21
Payments by Insurance Companies for Claims	$ 0.1	$ 13.8	$ 8.6	$ 16.4