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Commitments and Contingencies (Tables)
9 Months Ended
Jul. 31, 2017
Commitments and Contingencies Disclosure [Abstract]  
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, 2017
 
October 31, 2016
Aggregate purchase commitments:
 
 
 
Unrelated parties
$
1,872,468

 
$
1,544,185

Unconsolidated entities that the Company has investments in
8,921

 
79,204

Total
$
1,881,389

 
$
1,623,389

Deposits against aggregate purchase commitments
$
94,903

 
$
65,299

Additional cash required to acquire land
1,786,486

 
1,558,090

Total
$
1,881,389

 
$
1,623,389

Amount of additional cash required to acquire land included in accrued expenses
$
3,672

 
$
18,266

Company mortgage commitments
Information regarding our mortgage commitments, as of the dates indicated, is provided in the table below (amounts in thousands):
 
July 31,
2017
 
October 31, 2016
Aggregate mortgage loan commitments:
 
 
 
IRLCs
$
422,782

 
$
255,647

Non-IRLCs
1,256,917

 
1,094,861

Total
$
1,679,699

 
$
1,350,508

Investor commitments to purchase:
 
 
 
IRLCs
$
422,782

 
$
255,647

Mortgage loans receivable
80,637

 
231,398

Total
$
503,419

 
$
487,045