Note 4 - Leases (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Oct. 31, 2012	Oct. 31, 2011	Oct. 31, 2010
Operating Leases, Rent Expense (in Dollars)	$ 12.4	$ 15.3	$ 19.9
Offices [Member] | Minimum [Member]
Operating Leases, Term	3 years
Offices [Member] | Maximum [Member]
Operating Leases, Term	5 years
Model Homes [Member] | Minimum [Member]
Operating Leases, Term	1 year
Model Homes [Member] | Maximum [Member]
Operating Leases, Term	3 years
Minimum [Member]
Operating Leases, Term	1 year