Inventory (Details Textual) - Variable Interest Entity, Not Primary Beneficiary, Aggregated Disclosure [Member] $ in Thousands |
Jan. 31, 2017
USD ($)
|
Oct. 31, 2016
USD ($)
|
---|---|---|
Variable Interest Entity [Line Items] | ||
Number of VIE Land Purchase Contracts (in ones) | 82 | 78 |
Aggregate purchase price of VIE lands | $ 964,400 | $ 987,300 |
Deposits for purchase of lands with VIE entities | $ 46,700 | $ 44,100 |