CONDENSED CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
REVENUES
Commissions and fees	$ 445,662	$ 417,244	$ 867,997	$ 821,025
Investment income	502	260	920	480
Other income, net	354	1,943	1,774	2,240
Total revenues	446,518	419,447	870,691	823,745
EXPENSES
Employee compensation and benefits	231,102	217,601	455,161	429,263
Other operating expenses	66,291	64,377	129,896	125,470
Gain on disposal	(810)	(348)	(2,854)	(605)
Amortization	21,610	21,623	43,220	43,248
Depreciation	5,354	5,237	10,672	10,420
Interest	9,837	9,671	19,734	19,522
Change in estimated acquisition earn-out payables	4,057	372	3,236	1,735
Total expenses	337,441	318,533	659,065	629,053
Income before income taxes	109,077	100,914	211,626	194,692
Income taxes	42,827	39,909	83,306	76,736
Net income	$ 66,250	$ 61,005	$ 128,320	$ 117,956
Net income per share:
Basic (in dollars per share)	$ 0.47	$ 0.43	$ 0.92	$ 0.83
Diluted (in dollars per share)	0.47	0.43	0.91	0.82
Dividends declared per share (in dollars per share)	$ 0.12	$ 0.11	$ 0.245	$ 0.22