Inventory (Details Textual) (USD $)	12 Months Ended
	Oct. 31, 2011 Contract	Oct. 31, 2010	Oct. 31, 2009
Inventory (Textual) [Abstract]
Reclassification of inventory to property, construction and office equipment	$ 20,005,000	$ 18,711,000
Reduction in Capitalized Interest	54,000,000	53,300,000	57,500,000
Aggregate purchase price of lands	453,000,000
Deposits for purchase of lands with VIE entities	24,200,000
Number of VIE Land Purchase Contracts	48
Non-strategic inventory sold	0	22,500,000	47,700,000
Recognized income (loss)	$ 0	$ 900,000	$ (100,000)