Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Cash flows from operating activities:
Net income	$ 97,028	$ 147,307
Adjustments to reconcile net income to net cash used in operating activities:
Depreciation and amortization	4,948	5,548
Excess income tax benefit from equity-based compensation	(21,272)	(61,659)
Equity-based compensation expense	47,966	40,750
Contract land deposit impairments (recoveries)	6,796	(651)
Gain on sales of loans	(25,887)	(33,772)
Mortgage loans closed	(1,273,909)	(1,544,422)
Proceeds from sales of mortgage loans	1,290,126	1,446,470
Principal payments on mortgage loans held for sale	3,327	1,558
Distribution of earnings from unconsolidated joint ventures	1,995
Net change in assets and liabilities:
Increase in inventories	(148,415)	(140,278)
Increase in contract land deposits	(33,580)	(39,170)
Decrease (increase) in receivables	91	(1,899)
Increase in accounts payable, accrued expenses and customer deposits	40,998	89,188
Other, net	5,207	5,431
Net cash used in operating activities	(4,581)	(85,599)
Cash flows from investing activities:
Purchase of marketable securities		(150,000)
Redemption of marketable securities at maturity		344,535
Investments in and advances to unconsolidated joint ventures	(61,600)	(2,000)
Distribution of capital from unconsolidated joint ventures	9,505
Purchase of property, plant and equipment	(8,674)	(4,308)
Proceeds from the sale of property, plant and equipment	401	506
Net cash (used in) provided by investing activities	(60,368)	188,733
Cash flows from financing activities:
Purchase of treasury stock	(666,628)	(377,293)
Net (repayments) borrowings under notes payable and credit lines	(90,423)	86,626
Redemption of senior notes		(133,370)
Net (repayments) borrowings under non-recourse debt related to consolidated variable interest entity	(1,907)	7,944
Excess income tax benefit from equity-based compensation	21,272	61,659
Proceeds from the exercise of stock options	106,007	56,993
Net cash used in financing activities	(631,679)	(297,441)
Net decrease in cash and cash equivalents	(696,628)	(194,307)
Cash and cash equivalents, beginning of the period	1,193,750	1,250,150
Cash and cash equivalents, end of period	497,122	1,055,843
Supplemental disclosures of cash flow information:
Interest paid during the period, net	1,579	5,154
Income taxes paid, net of refunds	22,733	17,424
Supplemental disclosures of non-cash activities:
Investment in consolidated joint venture		$ (25,214)