Inventory (Details 3) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Jul. 31, 2013	Jul. 31, 2012	Jul. 31, 2013	Jul. 31, 2012
Inventory Disclosure [Abstract]
Interest capitalized, beginning of period	$ 347,549	$ 322,516	$ 330,581	$ 298,757
Interest incurred	36,015	32,560	100,066	93,027
Interest expensed to cost of revenues	(28,915)	(25,834)	(71,905)	(59,823)
Interest Expenses	0	0	0	0
Write-off against other income	(824)	(82)	(2,045)	(1,664)
Capitalized interest on investments in unconsolidated entities	(1,638)	(1,123)	(4,510)	(2,260)
Interest capitalized, end of period	$ 352,187	$ 328,037	$ 352,187	$ 328,037