CONDENSED CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
REVENUES
Commissions and fees	$ 474,609	$ 461,652	$ 1,383,899	$ 1,329,649
Investment income	491	230	1,085	1,150
Other income, net	546	392	22,047	2,166
Total revenues	475,646	462,274	1,407,031	1,332,965
EXPENSES
Employee compensation and benefits	246,062	237,653	736,445	692,814
Other operating expenses	72,058	67,433	210,289	197,329
Loss/(gain) on disposal	(1,902)	(277)	(1,993)	(3,131)
Amortization	21,435	21,805	64,402	65,025
Depreciation	5,489	5,195	17,242	15,867
Interest	9,393	9,883	28,949	29,617
Change in estimated acquisition earn-out payables	(1,308)	3,610	8,309	6,846
Total expenses	351,227	345,302	1,063,643	1,004,367
Income before income taxes	124,419	116,972	343,388	328,598
Income taxes	48,506	45,427	131,263	128,733
Net income	$ 75,913	$ 71,545	$ 212,125	$ 199,865
Net income per share:
Basic (in dollars per share)	$ 0.54	$ 0.51	$ 1.52	$ 1.43
Diluted (in dollars per share)	0.53	0.50	1.49	1.41
Dividends declared per share (in dollars per share)	$ 0.1350	$ 0.1225	$ 0.405	$ 0.3675