CONDENSED CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
REVENUES
Commissions and fees	$ 598,157	$ 572,932	$ 1,294,660	$ 1,190,395
Investment income	333	1,525	1,495	2,606
Other income, net	316	762	1,147	1,498
Total revenues	598,806	575,219	1,297,302	1,194,499
EXPENSES
Employee compensation and benefits	346,515	309,610	696,139	642,447
Other operating expenses	75,568	98,050	182,700	186,833
(Gain)/loss on disposal	(31)	(1,016)	(291)	(511)
Amortization	26,741	25,954	53,132	52,146
Depreciation	6,168	5,666	12,189	11,701
Interest	13,809	16,293	29,100	31,491
Change in estimated acquisition earn-out payables	635	(2,860)	(10,322)	(1,650)
Total expenses	469,405	451,697	962,647	922,457
Income before income taxes	129,401	123,522	334,655	272,042
Income taxes	32,617	30,929	85,471	65,553
Net income	$ 96,784	$ 92,593	$ 249,184	$ 206,489
Net income per share:
Basic (in dollars per share)	$ 0.34	$ 0.33	$ 0.88	$ 0.73
Diluted (in dollars per share)	0.34	0.33	0.88	0.73
Dividends declared per share (in dollars per share)	$ 0.085	$ 0.080	$ 0.170	$ 0.160