Inventory (Details Textual) $ in Thousands	Jul. 31, 2018 USD ($)	Oct. 31, 2017 USD ($)
Variable Interest Entity [Line Items]
Purchase Obligation	$ 2,539,129	$ 2,235,077
Variable Interest Entity, Not Primary Beneficiary, Aggregated Disclosure [Member]
Variable Interest Entity [Line Items]
Number of VIE Land Purchase Contracts (in ones)	113	104
Land Purchase Commitment To Unrelated Party [Member]
Variable Interest Entity [Line Items]
Purchase Obligation	$ 2,361,064	$ 1,986,276
Land Purchase Commitment To Unrelated Party [Member] | Variable Interest Entity, Not Primary Beneficiary, Aggregated Disclosure [Member]
Variable Interest Entity [Line Items]
Purchase Obligation	1,830,000	1,430,000
Land Parcel Purchase Commitment [Member]
Variable Interest Entity [Line Items]
Deposits against Aggregate Purchase Commitments	157,488	97,706
Land Parcel Purchase Commitment [Member] | Variable Interest Entity, Not Primary Beneficiary, Aggregated Disclosure [Member]
Variable Interest Entity [Line Items]
Deposits against Aggregate Purchase Commitments	$ 109,600	$ 65,600