Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Cash flows from operating activities:
Net loss	$ 39,209	$ 102,563
Adjustments to reconcile net income (loss) to net cash used in operating activities:
Depreciation and amortization	5,618	4,091
Stock-based compensation expense	2,508	5,304
Inventory impairments and option contract abandonments	4,707	18,781
Impairment of future land purchase right	0	4,036
Deferred and other income tax benefit	36,278	85
Provision for doubtful accounts	(227)	17
Excess tax benefit from equity-based compensation	38	3,584
Equity in loss of unconsolidated joint ventures	109	40
Cash distributions of income from unconsolidated joint ventures	0	37
Loss on extinguishment of debt	2,747	2,168
Changes in operating assets and liabilities:
Decrease (increase) in accounts receivable	6,375	(1,572)
Decrease in income tax receivable	2,424	4,861
Decrease (increase) in inventory	(14)	(94,490)
Decrease in other assets	7,420	3,769
Decrease in trade accounts payable	17,748	14,219
Decrease in other liabilities	18,905	19,964
Other changes	(45)	(473)
Net cash used in operating activities	(80,026)	(186,712)
Cash flows from investing activities:
Capital expenditures	(12,488)	(5,001)
Investments in unconsolidated joint ventures	(810)	(1,431)
Return of capital from joint ventures	(428)	0
Increases in restricted cash	(888)	(34,082)
Decreases in restricted cash	551	2,264
Net cash used in investing activities	(13,207)	(38,250)
Cash flows from financing activities:
Repayment of debt	(2,899)	(200,164)
Proceeds from issuance of new debt	0	246,388
Proceeds from issuance of cash secured loan	0	32,591
Debt issuance costs	(97)	(5,130)
Equity issuance cost	(1,212)	0
Settlement of unconsolidated JV debt obligation	(15,862)	0
Common stock redeemed	(34)	(64)
Excess tax benefit from equity-based compensation	(38)	(3,584)
Net cash (used in) provided by financing activities	(20,142)	70,037
Decrease in cash and cash equivalents	(113,375)	(154,925)
Cash and cash equivalents at beginning of period	370,403	537,121
Cash and cash equivalents at end of period	$ 257,028	$ 382,196