CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
REVENUES
Commissions and fees	$ 3,047,522	$ 2,606,108	$ 2,384,737
Investment income	1,099	2,811	5,780
Other income, net	2,777	4,456	1,654
Total revenues	3,051,398	2,613,375	2,392,171
EXPENSES
Employee compensation and benefits	1,636,911	1,436,377	1,308,165
Other operating expenses	402,941	365,973	377,089
(Gain)/loss on disposal	(9,605)	(2,388)	(10,021)
Amortization	119,593	108,523	105,298
Depreciation	33,309	26,276	23,417
Interest	64,981	58,973	63,660
Change in estimated acquisition earn-out payables	40,445	(4,458)	(1,366)
Total expenses	2,288,575	1,989,276	1,866,242
Income before income taxes	762,823	624,099	525,929
Income taxes	175,719	143,616	127,415
Net income	$ 587,104	$ 480,483	$ 398,514
Net income per share:
Basic	$ 2.08	$ 1.70	$ 1.42
Diluted	2.07	1.69	1.40
Dividends declared per share	$ 0.38	$ 0.35	$ 0.33