Consolidated Statements Of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Revenues:
Total revenues	$ 2,649,366	$ 2,131,058	$ 7,189,181	$ 5,782,796
Homebuilding Cost of Revenues:
Selling, general, and administrative expenses	(252,757)	(237,495)	(719,706)	(689,974)
Other income (expense), net	(3,488)	(6,282)	(6,753)	(28,439)
Income before income taxes	384,688	268,249	1,018,049	530,062
Income tax expense	(95,153)	(90,710)	(233,674)	(160,255)
Net income	$ 289,535	$ 177,539	$ 784,375	$ 369,807
Per share:
Basic earnings (usd per share)	$ 1.01	$ 0.59	$ 2.72	$ 1.18
Diluted earnings (usd per share)	1.01	0.58	2.71	1.18
Cash dividends declared (usd per share)	$ 0.09	$ 0.09	$ 0.27	$ 0.27
Number of shares used in calculation:
Basic shares outstanding (shares)	283,489	298,538	285,127	309,453
Effect of dilutive securities (shares)	1,183	1,690	1,301	1,861
Diluted shares outstanding (shares)	284,672	300,228	286,428	311,314
Home sale
Revenues:
Revenues	$ 2,572,236	$ 2,055,891	$ 6,933,888	$ 5,606,953
Homebuilding Cost of Revenues:
Cost of revenues	(1,954,160)	(1,564,605)	(5,276,232)	(4,332,221)
Land sale and other
Revenues:
Revenues	25,510	28,215	104,971	39,848
Homebuilding Cost of Revenues:
Cost of revenues	(22,060)	(25,123)	(71,791)	(115,950)
Total Homebuilding
Revenues:
Revenues	2,597,746	2,084,106	7,038,859	5,646,801
Homebuilding Cost of Revenues:
Cost of revenues	(1,976,220)	(1,589,728)	(5,348,023)	(4,448,171)
Financial Services
Revenues:
Revenues	51,620	46,952	150,322	135,995
Homebuilding Cost of Revenues:
Cost of revenues	$ (32,213)	$ (29,304)	$ (96,650)	$ (86,150)