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Commitments and Contingencies (Details) - USD ($) $ in Thousands | Jan. 31, 2020 | Oct. 31, 2019
--- | --- | ---
Company's land purchase commitments |  |
Purchase Obligation | $ 2,726,787 | $ 2,360,726
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures | 364,352 | 366,252
Land Purchase Commitment To Unrelated Party [Member] |  |
Company's land purchase commitments |  |
Purchase Obligation | 2,716,710 | 2,349,900
Land Purchase Commitment To JV [Member] |  |
Company's land purchase commitments |  |
Purchase Obligation | 10,077 | 10,826
Land Parcel Purchase Commitment [Member] |  |
Company's land purchase commitments |  |
Deposits against Aggregate Purchase Commitments | 199,907 | 168,778
Additional cash required to acquire land | 2,526,880 | 2,191,948
Amount of Additional Cash Required to Acquire Land Included in Accrued Expenses | $ 14,250 | $ 14,620

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