Inventory (Details 3) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 30, 2016	Apr. 30, 2015	Apr. 30, 2016	Apr. 30, 2015
Inventory Disclosure [Abstract]
Interest capitalized, beginning of period	$ 379,930	$ 364,228	$ 373,128	$ 356,180
Interest incurred	40,305	39,954	80,412	80,458
Interest expensed to cost of revenues	(35,722)	(29,576)	(67,745)	(57,953)
Write-off against other income	(34)	(410)	(309)	(1,738)
Interest capitalized on investments in unconsolidated entities	(1,236)	(2,074)	(2,243)	(4,825)
Real Estate Inventory Capitalized Interest Unconsolidated Entities Transfer to Inventory	239	772	239	772
Interest capitalized, end of period	$ 383,482	$ 372,894	$ 383,482	$ 372,894