Inventory (Details Textual) (USD $)	12 Months Ended
	Oct. 31, 2012	Oct. 31, 2011	Oct. 31, 2010
Inventory (Textual) [Abstract]
Number of VIE Land Purchase Contracts	64
Aggregate purchase price of VIE lands	$ 540,800,000
Deposits for purchase of lands with VIE entities	25,500,000
Reduction in Capitalized Interest	47,900,000	54,000,000	53,300,000
Reclassification of inventory to property, construction and office equipment		$ 20,005,000	$ 18,711,000