Inventory (Details 3) - USD ($) $ in Thousands	3 Months Ended
	Jan. 31, 2016	Jan. 31, 2015
Inventory Disclosure [Abstract]
Interest capitalized, beginning of period	$ 373,128	$ 356,180
Interest incurred	40,107	40,504
Interest expensed to cost of revenues	(32,023)	(28,377)
Write-off against other income	(275)	(1,328)
Interest capitalized on investments in unconsolidated entities	(1,007)	(2,751)
Interest capitalized, end of period	$ 379,930	$ 364,228