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Commitments and Contingencies (Tables)
 9 Months Ended
Jul. 31, 2020
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]
Information regarding our remaining lease payments as of July 31, 2020 is provided in the table below (amounts in thousands):
Year ended July 31, 2020
2020 (a)$4,231 
202119,306 
202217,446 
202315,027 
202412,474 
Thereafter213,702 
Total lease payments (b)282,186 
Less: Interest (c)156,955 
Present value of lease liabilities$125,231 

(a) Remaining payments are for the three months ending October 31, 2020
(b) Lease payments include options to extend lease terms that are reasonably certain of being exercised
(c) Our leases do not provide a readily determinable implicit rate. Therefore, we must estimate our discount rate for such leases to determine the present value of lease payments at the lease commencement date.
Company land purchase commitments Information regarding our land purchase commitments, as of the dates indicated, is provided in the table below (amounts in thousands):
July 31, 2020October 31, 2019
Aggregate purchase commitments:
Unrelated parties$2,635,746 $2,349,900 
Unconsolidated entities that the Company has investments in5,232 10,826 
Total$2,640,978 $2,360,726 
Deposits against aggregate purchase commitments$185,050 $168,778 
Additional cash required to acquire land2,455,928 2,191,948 
Total
$2,640,978 $2,360,726 
Amount of additional cash required to acquire land included in accrued expenses$16,044 $14,620 
Company mortgage commitments
Information regarding our mortgage commitments, as of the dates indicated, is provided in the table below (amounts in thousands):
July 31,
2020		October 31, 2019
Aggregate mortgage loan commitments:
IRLCs$655,587 $565,634 
Non-IRLCs1,728,639 1,364,972 
Total$2,384,226 $1,930,606 
Investor commitments to purchase:
IRLCs$655,587 $565,634 
Mortgage loans held for sale151,454 208,591 
Total$807,041 $774,225