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Condensed Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Interest expense	$ (6,120)	$ (5,624)	$ (17,870)	$ (15,526)
Income before taxes	244,464	185,003	585,593	433,035
Income tax expense	(82,362)	(67,611)	(172,691)	(158,664)
Net income	$ 162,102	$ 117,392	$ 412,902	$ 274,371
Basic earnings per share (USD per share)	$ 43.26	$ 30.43	$ 110.60	$ 70.70
Diluted earnings per share (USD per share)	$ 38.02	$ 28.46	$ 98.33	$ 66.24
Basic weighted average shares outstanding (in shares)	3,747	3,858	3,733	3,881
Diluted weighted average shares outstanding (in shares)	4,263	4,125	4,199	4,142
Homebuilding [Member]
Revenues	$ 1,633,726	$ 1,507,451	$ 4,394,027	$ 3,990,696
Other income	1,715	703	4,264	2,223
Cost of sales	(1,307,971)	(1,242,292)	(3,552,071)	(3,294,421)
Selling, general and administrative	(95,606)	(92,867)	(294,610)	(290,925)
Operating income	231,864	172,995	551,610	407,573
Interest expense	(5,821)	(5,338)	(17,040)	(14,734)
Income before taxes	226,043	167,657	534,570	392,839
Mortgage Banking [Member]
Mortgage banking fees	34,194	30,118	95,477	79,082
Interest income	1,953	2,000	5,168	5,111
Other income	583	473	1,398	1,140
General and administrative	(18,010)	(14,959)	(50,190)	(44,345)
Interest expense	(299)	(286)	(830)	(792)
Income before taxes	$ 18,421	$ 17,346	$ 51,023	$ 40,196

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The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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The noninterest income derived from mortgage banking activities (fees and commissions), excluding fees earned from servicing third-party assets.

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