Commitments and Contingencies (Tables)

3 Months Ended

Jan. 31, 2012

Legal Proceedings, Commitments and Contingencies [Abstract]

Company purchase commitments

		September 30,		September 30,
	January 31, 2012		October 31, 2011
Aggregate purchase commitments:
Unrelated parties	$	539,636	$	551,905
Unconsolidated entities that the Company has investments in		124,387		12,471
Total	$	664,023	$	564,376
Deposits against aggregate purchase commitments	$	32,199	$	37,987
Credit to be received from amounts previously contributed to unconsolidated entities		75,600
Additional cash required to acquire land		556,224		526,389
Total	$	664,023	$	564,376

Company mortgage commitments

		September 30,		September 30,
	January 31, 2012		October 31, 2011
Aggregate mortgage loan commitments:
IRLCs	$	92,623	$	129,553
Non-IRLCs		342,633		306,722
Total	$	435,256	$	436,275
Investor commitments to purchase:
IRLCs	$	92,623	$	129,553
Mortgage loans receivable		34,385		60,680
Total	$	127,008	$	190,233