Commitments and Contingencies (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2015	Oct. 31, 2014
Company's purchase commitments
Purchase Obligation	$ 1,217,348	$ 1,227,914
Land Purchase Commitment To Unrelated Party [Member]
Company's purchase commitments
Purchase Obligation	1,081,008	1,043,654
Land Parcel Purchase Commitment [Member]
Company's purchase commitments
Deposits against aggregate purchase commitments	79,072	103,422
Additional cash required to acquire land	1,138,276	1,124,492
Total	1,217,348	1,227,914
Amount of Additional Cash Required to Acquire Land Included in Accrued Expenses	$ 4,809	$ 764