CONDENSED CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
REVENUES
Commissions and fees	$ 431,863	$ 420,615	$ 1,252,888	$ 1,177,312
Investment income	228	225	708	522
Other income, net	76	578	2,316	4,942
Total revenues	432,167	421,418	1,255,912	1,182,776
EXPENSES
Employee compensation and benefits	211,267	203,126	628,071	583,633
Non-cash stock-based compensation	4,889	5,640	17,348	19,149
Other operating expenses	66,121	64,916	191,591	177,923
Gain on disposal	(654)	0	(1,259)	0
Amortization	22,158	21,983	65,406	60,482
Depreciation	5,215	5,456	15,635	15,338
Interest	9,882	7,298	29,404	18,374
Change in estimated acquisition earn-out payables	459	314	2,194	6,574
Total expenses	319,337	308,733	948,390	881,473
Income before income taxes	112,830	112,685	307,522	301,303
Income taxes	45,403	44,354	122,139	118,802
Net income	$ 67,427	$ 68,331	$ 185,383	$ 182,501
Net income per share:
Basic (in dollars per share)	$ 0.48	$ 0.47	$ 1.31	$ 1.26
Diluted (in dollars per share)	0.47	0.47	1.29	1.24
Dividends declared per share (in dollars per share)	$ 0.11	$ 0.10	$ 0.33	$ 0.30