Inventory (Details 3) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Jul. 31, 2014	Jul. 31, 2013	Jul. 31, 2014	Jul. 31, 2013
Inventory Disclosure [Abstract]
Interest capitalized, beginning of period	$ 367,135	$ 347,549	$ 343,077	$ 330,581
Interest incurred	40,638	36,015	123,267	100,066
Interest expensed to cost of revenues	(37,181)	(28,915)	(91,766)	(71,905)
Write-off against other income	(836)	(824)	(1,876)	(2,045)
Capitalized interest on investments in unconsolidated entities	(2,341)	(1,638)	(7,098)	(4,510)
Previously capitalized interest in unconsolidated entities transferred to inventory	0	0	1,811	0
Interest capitalized, end of period	$ 367,415	$ 352,187	$ 367,415	$ 352,187