Commitments and Contingencies (Details) (USD $) In Thousands, unless otherwise specified	Jul. 31, 2014	Oct. 31, 2013
Company's land purchase commitments
Aggregate purchase commitments unrelated parties	$ 972,497	$ 1,301,987
Aggregate Purchase Commitments Unconsolidated Entities that the Company has Investments in	16,336	61,738
Total	988,833	1,363,725
Deposits against aggregate purchase commitments	87,640	76,986
Additional cash required to acquire land	901,193	1,286,739
Total	988,833	1,363,725
Amount of Additional Cash Required to Acquire Land Included in Accrued Expenses	$ 504	$ 1,439