Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Cash flows from operating activities:
Net income	$ 266,062	$ 257,244
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Deferred income tax expense	171,364	164,460
Depreciation and amortization	33,719	28,864
Share-based compensation expense	20,139	21,290
Equity in earnings of unconsolidated entities	(4,464)	(7,483)
Distributions of earnings from unconsolidated entities	2,594	4,824
Loss on debt retirements	0	8,584
Other non-cash, net	13,170	8,211
Increase (decrease) in cash due to:
Restricted cash	(13,293)	(689)
Inventories	(835,276)	(384,571)
Residential mortgage loans available-for-sale	68,381	49,600
Other assets	(132,195)	(12,802)
Accounts payable, accrued and other liabilities	160,803	74,102
Income tax liabilities	2,184	(9,799)
Net cash provided by (used in) operating activities	(246,812)	201,835
Cash flows from investing activities:
Change in restricted cash related to letters of credit	3,710	48,401
Capital expenditures	(34,049)	(41,888)
Cash used for business acquisition	0	(77,469)
Other investing activities, net	9,959	1,360
Net cash provided by (used in) investing activities	(20,380)	(69,596)
Cash flows from financing activities:
Financial Services borrowings (repayments)	(32,733)	(34,070)
Proceeds from debt issuance	500,000	0
Repayments of debt	(238,520)	(250,631)
Borrowings under revolving credit facility	125,000	0
Repayments under revolving credit facility	(125,000)	0
Stock option exercises	10,371	6,034
Share repurchases	(442,738)	(155,140)
Dividends paid	(87,897)	(56,944)
Net cash provided by (used in) financing activities	(291,517)	(490,751)
Net increase (decrease) in cash and equivalents	(558,709)	(358,512)
Cash and equivalents at beginning of period	1,292,862	1,580,329
Cash and equivalents at end of period	734,153	1,221,817
Supplemental Cash Flow Information:
Interest paid (capitalized), net	(20,304)	(23,236)
Income taxes paid (refunded), net	$ 740	$ (1,054)