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Commitments and Contingencies (Details) - USD ($) $ in Thousands | Jul. 31, 2018 | Oct. 31, 2017
--- | --- | ---
Company's land purchase commitments |  |
Purchase Obligation | $ 2,539,129 | $ 2,235,077
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures | 419,994 | 481,758
Land Purchase Commitment To Unrelated Party [Member] |  |
Company's land purchase commitments |  |
Purchase Obligation | 2,361,064 | 1,986,276
Land Purchase Commitment To JV [Member] |  |
Company's land purchase commitments |  |
Purchase Obligation | 178,065 | 248,801
Land Parcel Purchase Commitment [Member] |  |
Company's land purchase commitments |  |
Deposits against Aggregate Purchase Commitments | 157,488 | 97,706
Additional cash required to acquire land | 2,279,784 | 2,002,741
Amount of Additional Cash Required to Acquire Land Included in Accrued Expenses | 683 | 4,329
Land Development Joint Venture, Irvine, California [Member] | Land Parcel Purchase Commitment [Member] |  |
Company's land purchase commitments |  |
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures | $ 101,857 | $ 134,630

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- Definition Total investments in (A) an entity in which the entity has significant influence, but does not have control, (B) subsidiaries that are not required to be consolidated and are accounted for using the equity and or cost method, and (C) an entity in which the reporting entity shares control of the entity with another party or group. Includes long-term advances receivable from a party that is affiliated with the reporting entity by means of direct or indirect ownership. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.12) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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