Commitments and Contingencies (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2016	Oct. 31, 2015
Company's purchase commitments
Purchase Obligation	$ 1,623,389	$ 1,217,348
Land Purchase Commitment To Unrelated Party [Member]
Company's purchase commitments
Purchase Obligation	1,544,185	1,081,008
Land Purchase Commitment To JV [Member]
Company's purchase commitments
Purchase Obligation	79,204	136,340
Land Parcel Purchase Commitment [Member]
Company's purchase commitments
Deposits against aggregate purchase commitments	65,299	79,072
Additional cash required to acquire land	1,558,090	1,138,276
Total	1,623,389	1,217,348
Amount of Additional Cash Required to Acquire Land Included in Accrued Expenses	$ 18,266	$ 4,809