Inventory (Details 2) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Oct. 31, 2012	Oct. 31, 2011	Oct. 31, 2010
Inventory Disclosure [Abstract]
Interest capitalized, beginning of period	$ 298,757	$ 267,278	$ 259,818
Interest incurred	125,783	114,761	114,975
Interest expensed to cost of revenues	(87,117)	(77,623)	(75,876)
Interest directly expensed to statement of operations	0	(1,504)	(22,751)
Write-off against other income	(3,404)	(1,155)	(8,369)
Interest reclassified to property construction and office equipment		(3,000)	(519)
capitalized interest on investments in unconsolidated entities	(3,438)
Interest capitalized, end of period	$ 330,581	$ 298,757	$ 267,278