CONDENSED CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
REVENUES
Commissions and fees	$ 461,652	$ 431,863	$ 1,329,649	$ 1,252,888
Investment income	230	228	1,150	708
Other income, net	392	76	2,166	2,316
Total revenues	462,274	432,167	1,332,965	1,255,912
EXPENSES
Employee compensation and benefits	237,653	216,156	692,814	645,419
Other operating expenses	67,433	66,121	197,329	191,591
Gain on disposal	(277)	(654)	(3,131)	(1,259)
Amortization	21,805	22,158	65,025	65,406
Depreciation	5,195	5,215	15,867	15,635
Interest	9,883	9,882	29,617	29,404
Change in estimated acquisition earn-out payables	3,610	459	6,846	2,194
Total expenses	345,302	319,337	1,004,367	948,390
Income before income taxes	116,972	112,830	328,598	307,522
Income taxes	45,427	45,403	128,733	122,139
Net income	$ 71,545	$ 67,427	$ 199,865	$ 185,383
Net income per share:
Basic (in dollars per share)	$ 0.51	$ 0.48	$ 1.43	$ 1.31
Diluted (in dollars per share)	0.50	0.47	1.41	1.29
Dividends declared per share (in dollars per share)	$ 0.1225	$ 0.11	$ 0.3675	$ 0.33