Commitments and Contingencies (Details) (USD $) In Thousands, unless otherwise specified	Jan. 31, 2014	Oct. 31, 2013
Company's land purchase commitments
Aggregate purchase commitments unrelated parties	$ 1,155,798	$ 1,301,987
Unconsolidated entities that the Company has investments in	12,552	61,738
Total	1,168,350	1,363,725
Deposits against aggregate purchase commitments	76,814	76,986
Additional cash required to acquire land	1,091,536	1,286,739
Total	1,168,350	1,363,725
Amount of Additional Cash Required to Acquire Land Included in Accrued Expenses	$ 1,753	$ 1,439