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Intangible Assets

3 Months Ended

Mar. 31, 2022

Goodwill And Intangible Assets Disclosure [Abstract]

Intangible Assets

6.  Intangible Assets

The carrying amount of goodwill at March 31, 2022 and December 31, 2021 allocated by domestic and foreign operations is as follows (in millions):

		Brokerage				Risk Management				Corporate				Total
At March 31, 2022
United States		$	4,357.2			$	64.8			$	—			$	4,422.0
United Kingdom			2,225.0				14.8				—				2,239.8
Canada			593.4				—				—				593.4
Australia			507.2				11.3				—				518.5
New Zealand			223.9				10.5				—				234.4
Other foreign			699.0				—				20.6				719.6
Total goodwill		$	8,605.7			$	101.4			$	20.6			$	8,727.7
At December 31, 2021
United States		$	4,409.1			$	64.8			$	—			$	4,473.9
United Kingdom			2,198.7				15.0				—				2,213.7
Canada			572.9				—				—				572.9
Australia			487.2				10.9				—				498.1
New Zealand			217.6				10.2				—				227.8
Other foreign			659.1				—				20.7				679.8
Total goodwill		$	8,544.6			$	100.9			$	20.7			$	8,666.2

The changes in the carrying amount of goodwill for the three-month period ended March 31, 2022 are as follows (in millions):

		Brokerage				Risk Management				Corporate				Total
Balance as of December 31, 2021		$	8,544.6			$	100.9			$	20.7			$	8,666.2
Goodwill acquired during the period			68.9				—				—				68.9
Goodwill true-ups due to appraisals and other acquisition adjustments			(18.8	)			—				—				(18.8	)
Foreign currency translation adjustments during the period			11.0				0.5				(0.1	)			11.4
Balance as of March 31, 2022		$	8,605.7			$	101.4			$	20.6			$	8,727.7

Major classes of amortizable intangible assets at March 31, 2022 and December 31, 2021 consist of the following (in millions):

		March 31,				December 31,
		2022				2021
Expiration lists		$	6,749.3			$	6,696.8
Accumulated amortization - expiration lists			(2,941.1	)			(2,812.2	)
			3,808.2				3,884.6
Non-compete agreements			78.5				76.0
Accumulated amortization - non-compete agreements			(64.4	)			(62.8	)
			14.1				13.2
Trade names			106.1				105.2
Accumulated amortization - trade names			(50.8	)			(49.0	)
			55.3				56.2
Net amortizable assets		$	3,877.6			$	3,954.0

Estimated aggregate amortization expense for each of the next five years and thereafter is as follows (in millions):

2022 (remaining nine months)		$	367.2
2023			467.5
2024			431.0
2025			390.0
2026			351.2
Thereafter			1,870.7
Total		$	3,877.6

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- References

No definition available.

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- Definition

The entire disclosure for goodwill and intangible assets.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-URI http://asc.fasb.org/topic&trid=2144416

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