CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Revenues:
Direct premiums and escrow fees	$ 2,310,047	$ 2,052,242	$ 2,132,831
Agent premiums	2,098,265	1,867,402	2,061,404
Information and other	673,138	657,197	662,736
Net investment income	100,553	71,041	89,895
Net realized investment (losses) gains	(6,547)	30,067	9,211
Total revenues	5,175,456	4,677,949	4,956,077
Expenses:
Personnel costs	1,594,935	1,435,628	1,488,997
Premiums retained by agents	1,656,722	1,472,066	1,637,561
Other operating expenses	820,969	807,634	841,523
Provision for policy losses and other claims	491,092	450,023	530,356
Depreciation and amortization	85,596	85,597	74,916
Premium taxes	64,269	57,194	56,715
Interest	29,108	19,247	15,301
Total expenses	4,742,691	4,327,389	4,645,369
Income before income taxes	432,765	350,560	310,708
Income taxes	143,895	116,345	123,644
Net income	288,870	234,215	187,064
Less: Net income attributable to noncontrolling interests	784	681	697
Net income attributable to the Company	$ 288,086	$ 233,534	$ 186,367
Net income per share attributable to the Company’s stockholders:
Basic	$ 2.65	$ 2.18	$ 1.74
Diluted	2.62	2.15	1.71
Cash dividends declared per share	$ 1.00	$ 0.84	$ 0.48
Weighted-average common shares outstanding:
Basic	108,427	106,884	106,991
Diluted	109,826	108,688	109,102