Goodwill (Tables)

3 Months Ended

Mar. 31, 2023

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in Carrying Value of Goodwill by Reportable Segment

The changes in the carrying value of goodwill by reportable segment for the three months ended March 31, 2023 are as follows:

(in millions)	Retail		National Programs			Wholesale Brokerage		Services		Total
Balance as of December 31, 2022	$	4,309.0	$	1,602.4		$	591.5	$	171.3	$	6,674.2
Goodwill of acquired businesses		44.6		(21.6	)		—		—		23.0
Goodwill disposed of relating to sales of businesses		—		(2.7	)		—		—		(2.7	)
Foreign currency translation and other adjustments during the year		34.3		(1.1	)		2.5		—		35.7
Balance as of March 31, 2023	$	4,387.9	$	1,577.0		$	594.0	$	171.3	$	6,730.2