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Commitments and Contingencies (Details) - USD ($)
$ in Thousands
Jan. 31, 2019
Oct. 31, 2018
Company's land purchase commitments    
Purchase Obligation $ 2,400,041 $ 2,532,895
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures 409,374 431,813
Land Purchase Commitment To Unrelated Party [Member]    
Company's land purchase commitments    
Purchase Obligation 2,337,177 2,404,660
Land Purchase Commitment To JV [Member]    
Company's land purchase commitments    
Purchase Obligation 62,864 128,235
Land Parcel Purchase Commitment [Member]    
Company's land purchase commitments    
Deposits against Aggregate Purchase Commitments 163,554 168,421
Additional cash required to acquire land 2,175,094 2,285,306
Amount of Additional Cash Required to Acquire Land Included in Accrued Expenses 7,496 40,103
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 $ 61,393 $ 79,168