CONDENSED CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
REVENUES
Commissions and fees	$ 417,244	$ 394,690	$ 821,025	$ 756,697
Investment income	260	194	480	297
Other income, net	1,943	2,880	2,240	4,364
Total revenues	419,447	397,764	823,745	761,358
EXPENSES
Employee compensation and benefits	211,499	196,397	416,804	380,507
Non-cash stock-based compensation	6,102	5,994	12,459	13,509
Other operating expenses	64,377	60,546	125,470	113,007
Gain on disposal	(348)	0	(605)	0
Amortization	21,623	20,623	43,248	38,499
Depreciation	5,237	5,242	10,420	9,882
Interest	9,671	7,004	19,522	11,076
Change in estimated acquisition earn-out payables	372	177	1,735	6,260
Total expenses	318,533	295,983	629,053	572,740
Income before income taxes	100,914	101,781	194,692	188,618
Income taxes	39,909	40,026	76,736	74,448
Net income	$ 61,005	$ 61,755	$ 117,956	$ 114,170
Net income per share:
Basic (in dollars per share)	$ 0.43	$ 0.43	$ 0.83	$ 0.79
Diluted (in dollars per share)	0.43	0.42	0.82	0.78
Dividends declared per share (in dollars per share)	$ 0.11	$ 0.10	$ 0.22	$ 0.20