Condensed Consolidated Statements of Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Revenues
Direct premiums and escrow fees	$ 625,652	$ 564,396	$ 1,772,581	$ 1,529,391
Agent premiums	576,450	496,887	1,495,879	1,341,020
Information and other	162,671	161,227	479,849	464,572
Net investment income	22,272	22,828	70,694	64,254
Net realized investment (losses) gains	(3,130)	14,392	(215)	23,261
Total revenues	1,383,915	1,259,730	3,818,788	3,422,498
Expenses
Personnel costs	400,884	365,304	1,155,500	1,045,955
Premiums retained by agents	462,087	395,324	1,199,375	1,070,260
Other operating expenses	220,623	219,536	652,290	622,024
Provision for policy losses and other claims	139,126	119,390	363,550	337,739
Depreciation and amortization	21,072	24,127	63,389	63,879
Premium taxes	17,439	15,427	46,920	41,971
Interest	7,288	4,670	21,798	13,007
Total expenses	1,268,519	1,143,778	3,502,822	3,194,835
Income before income taxes	115,396	115,952	315,966	227,663
Income taxes	39,637	35,015	108,831	74,186
Net income	75,759	80,937	207,135	153,477
Less: Net income attributable to noncontrolling interests	217	232	615	454
Net income attributable to the Company	$ 75,542	$ 80,705	$ 206,520	$ 153,023
Net income per share attributable to the Company's stockholders (Note 8):
Basic	$ 0.69	$ 0.75	$ 1.91	$ 1.43
Diluted	0.69	0.74	1.88	1.41
Cash dividends declared per share	$ 0.25	$ 0.24	$ 0.75	$ 0.60
Weighted-average common shares outstanding (Note 8):
Basic	108,647	107,136	108,284	106,727
Diluted	110,004	108,863	109,706	108,546