Consolidated Statements of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Mortgage banking fees	$ 47,954	$ 61,134	$ 60,381
Interest expense	(1,892)	(6,029)	(11,380)
Income before taxes	207,576	322,393	298,414
Income tax expense	(78,156)	(116,388)	(106,234)
Net income	129,420	206,005	192,180
Basic earnings per share	$ 23.66	$ 34.96	$ 33.10
Diluted earnings per share	$ 23.01	$ 33.42	$ 31.26
Basic weighted average shares outstanding	5,469	5,893	5,807
Diluted weighted average shares outstanding	5,624	6,165	6,149
Homebuilding:
Revenues	2,611,195	2,980,758	2,683,467
Other income	4,301	9,299	8,697
Cost of sales	(2,165,625)	(2,438,292)	(2,185,733)
Selling, general and administrative	(264,266)	(257,394)	(233,152)
Operating income	185,605	294,371	273,279
Interest expense	(1,017)	(4,903)	(10,196)
Income before taxes	184,588	289,468	263,083
Mortgage Banking:
Mortgage banking fees	47,954	61,134	60,381
Interest income	5,702	5,411	2,979
Other income	456	767	629
General and administrative	(30,249)	(33,261)	(27,474)
Interest expense	(875)	(1,126)	(1,184)
Income before taxes	$ 22,988	$ 32,925	$ 35,331