CONDENSED CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
REVENUES
Commissions and fees	$ 925.2	$ 769.7	$ 2,668.2	$ 2,309.6
Investment income	1.2	0.4	1.8	0.9
Other income, net	1.2	0.2	2.0	2.4
Total revenues	927.6	770.3	2,672.0	2,312.9
EXPENSES
Employee compensation and benefits	470.3	395.0	1,341.3	1,220.1
Other operating expenses	169.6	101.1	450.6	291.7
(Gain)/loss on disposal	0.0	(0.3)	(0.9)	(4.3)
Amortization	43.5	29.5	108.2	88.6
Depreciation	11.3	9.2	28.3	25.4
Interest	41.5	16.2	95.8	48.8
Change in estimated acquisition earn-out payables	(26.6)	23.1	(33.1)	20.6
Total expenses	709.6	573.8	1,990.2	1,690.9
Income before income taxes	218.0	196.5	681.8	622.0
Income taxes	56.9	50.1	155.2	136.6
Net income	$ 161.1	$ 146.4	$ 526.6	$ 485.4
Net income per share:
Basic (in dollars per share)	$ 0.57	$ 0.52	$ 1.86	$ 1.72
Diluted (in dollars per share)	0.57	0.52	1.85	1.71
Dividends declared per share (in dollars per share)	$ 0.103	$ 0.093	$ 0.309	$ 0.278