Note 5 (Details) - Write-Offs and Lots Walked Away From (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Jul. 31, 2013	Jul. 31, 2012	Jul. 31, 2013	Jul. 31, 2012
Note 5 (Details) - Write-Offs and Lots Walked Away From [Line Items]
Number of Walk-Away Lots	211	415	909	1,601
Dollar Amount of Write-Offs (in Dollars)	$ 0.5	$ 0.5	$ 1.9	$ 1.8
Northeast [Member]
Note 5 (Details) - Write-Offs and Lots Walked Away From [Line Items]
Number of Walk-Away Lots	73	210	373	210
Dollar Amount of Write-Offs (in Dollars)	0.2	0.1	0.4	0.4
Mid-Atlantic [Member]
Note 5 (Details) - Write-Offs and Lots Walked Away From [Line Items]
Number of Walk-Away Lots			164	182
Dollar Amount of Write-Offs (in Dollars)				0.2
Midwest [Member]
Note 5 (Details) - Write-Offs and Lots Walked Away From [Line Items]
Number of Walk-Away Lots	13	89	13	194
Dollar Amount of Write-Offs (in Dollars)		0.1		0.2
Southeast [Member]
Note 5 (Details) - Write-Offs and Lots Walked Away From [Line Items]
Number of Walk-Away Lots	113		113	734
Dollar Amount of Write-Offs (in Dollars)	0.1		0.2	0.7
Southwest [Member]
Note 5 (Details) - Write-Offs and Lots Walked Away From [Line Items]
Number of Walk-Away Lots	12	116	246	281
Dollar Amount of Write-Offs (in Dollars)	$ 0.2	$ 0.3	$ 1.3	$ 0.3