Inventory (Details Textual) - Variable Interest Entity, Not Primary Beneficiary, Aggregated Disclosure [Member] $ in Thousands	Apr. 30, 2016 USD ($)	Oct. 31, 2015 USD ($)
Variable Interest Entity [Line Items]
Number of VIE Land Purchase Contracts (in ones)	67	61
Aggregate purchase price of VIE lands	$ 811,300	$ 663,600
Deposits for purchase of lands with VIE entities	$ 42,100	$ 45,000