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Note 13 - Reduction of Inventory to Fair Value (Detail) (USD $)
12 Months Ended 72 Months Ended 12 Months Ended 72 Months Ended
Oct. 31, 2012
Oct. 31, 2011
Oct. 31, 2010
Oct. 31, 2012
Minimum [Member]
Oct. 31, 2012
Minimum [Member]
Oct. 31, 2012
Maximum [Member]
Oct. 31, 2012
Maximum [Member]
Fair Value Inputs, Discount Rate       16.80% 16.80% 18.50% 20.30%
Impairment of Real Estate $ 9,800,000 $ 77,500,000 $ 122,500,000        
Land Option Write-Offs $ 2,700,000 $ 24,300,000 $ 13,200,000