Inventory (Details Textuals) (USD $)	3 Months Ended	9 Months Ended
	Jul. 31, 2011	Jul. 31, 2011	Jul. 31, 2010
Inventory (Textuals) [Abstract]
Reclassification of inventory to property, construction and office equipment	$ 0	$ 20,005,000	$ 18,711,000
Reduction in Capitalized Interest	55,300,000	55,300,000	58,900,000
Number of VIE land purchase contracts	38	38
Aggregate purchase price of lands	309,600,000	309,600,000
Deposits for purchase of lands with VIE entities	$ 15,500,000	$ 15,500,000