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Segment Information (Tables)

9 Months Ended

Sep. 30, 2021

Segment Reporting [Abstract]

Schedule of Segment Reporting Information by Segment

Financial information relating to our segments for the three and nine-month periods ended September 30, 2021 and 2020 is as follows (in millions):

	Three-month period ended September 30,								Nine-month period ended September 30,
	2021				2020				2021				2020
Brokerage
Total revenues	$	1,499.7			$	1,294.6			$	4,500.1			$	3,931.3
Earnings before income taxes	$	334.5			$	276.4			$	1,114.5			$	935.0
Identifiable assets at September 30, 2021 and 2020									$	21,184.7			$	18,641.2
Risk Management
Total revenues	$	280.6			$	244.3			$	815.0			$	717.0
Earnings before income taxes	$	29.5			$	25.3			$	87.0			$	64.1
Identifiable assets at September 30, 2021 and 2020									$	1,079.7			$	964.5
Corporate
Total revenues	$	357.9			$	310.2			$	921.6			$	651.7
Loss before income taxes	$	(132.6	)		$	(92.2	)		$	(339.4	)		$	(261.9	)
Identifiable assets at September 30, 2021 and 2020									$	4,651.4			$	2,209.2
Total
Total revenues	$	2,138.2			$	1,849.1			$	6,236.7			$	5,300.0
Earnings before income taxes	$	231.4			$	209.5			$	862.1			$	737.2
Identifiable assets at September 30, 2021 and 2020									$	26,915.8			$	21,814.9

Summary of Revenues by Type and Segment

Revenues by type and segment for the three-month period ended September 30, 2021 are as follows (in millions):

						Risk
		Brokerage				Management				Corporate				Total
Revenues:
Commissions		$	1,016.2			$	—			$	—			$	1,016.2
Fees			353.8				247.9				—				601.7
Supplemental revenues			61.0				—				—				61.0
Contingent revenues			43.7				—				—				43.7
Investment income			20.7				0.1				—				20.8
Net gains on divestitures			4.3				—				—				4.3
Revenues from clean coal activities			—				—				357.6				357.6
Other net revenues			—				—				0.3				0.3
Revenues before reimbursements			1,499.7				248.0				357.9				2,105.6
Reimbursements			—				32.6				—				32.6
Total revenues		$	1,499.7			$	280.6			$	357.9			$	2,138.2

Revenues by type and segment for the nine-month period ended September 30, 2021 are as follows (in millions):

						Risk
		Brokerage				Management				Corporate				Total
Revenues:
Commissions		$	3,118.7			$	—			$	—			$	3,118.7
Fees			983.4				713.0				—				1,696.4
Supplemental revenues			183.0				—				—				183.0
Contingent revenues			150.3				—				—				150.3
Investment income			55.8				0.2				—				56.0
Net gains on divestitures			8.9				0.1				—				9.0
Revenues from clean coal activities			—				—				919.2				919.2
Other net revenues			—				—				2.4				2.4
Revenues before reimbursements			4,500.1				713.3				921.6				6,135.0
Reimbursements			—				101.7				—				101.7
Total revenues		$	4,500.1			$	815.0			$	921.6			$	6,236.7

Revenues by type and segment for the three-month period ended September 30, 2020 are as follows (in millions):

						Risk
		Brokerage				Management				Corporate				Total
Revenues:
Commissions		$	889.9			$	—			$	—			$	889.9
Fees			293.2				202.6				—				495.8
Supplemental revenues			54.7				—				—				54.7
Contingent revenues			34.5				—				—				34.5
Investment income			18.9				0.1				—				19.0
Net gains on divestitures			3.4				—				—				3.4
Revenues from clean coal activities			—				—				310.8				310.8
Other net losses			—				—				(0.6	)			(0.6	)
Revenues before reimbursements			1,294.6				202.7				310.2				1,807.5
Reimbursements			—				41.6				—				41.6
Total revenues		$	1,294.6			$	244.3			$	310.2			$	1,849.1

Revenues by type and segment for the nine-month period ended September 30, 2020 are as follows (in millions):

						Risk
		Brokerage				Management				Corporate				Total
Revenues:
Commissions		$	2,734.6			$	—			$	—			$	2,734.6
Fees			858.1				604.7				—				1,462.8
Supplemental revenues			164.0				—				—				164.0
Contingent revenues			117.0				—				—				117.0
Investment income			53.0				0.6				—				53.6
Net gains on divestitures			4.6				—				—				4.6
Revenues from clean coal activities			—				—				652.1				652.1
Other net losses			—				—				(0.4	)			(0.4	)
Revenues before reimbursements			3,931.3				605.3				651.7				5,188.3
Reimbursements			—				111.7				—				111.7
Total revenues		$	3,931.3			$	717.0			$	651.7			$	5,300.0

Summary of Geographical Location and Segment

Revenues by geographical location and segment for the three-month period ended September 30, 2021 are as follows (in millions):

						Risk
		Brokerage				Management				Corporate				Total
Revenues:
United States		$	1,000.3			$	233.9			$	357.9			$	1,592.1
United Kingdom			276.5				12.1				—				288.6
Australia			62.4				29.6				—				92.0
Canada			68.1				1.6				—				69.7
New Zealand			41.0				3.4				—				44.4
Other foreign			51.4				—				—				51.4
Total revenues		$	1,499.7			$	280.6			$	357.9			$	2,138.2

Revenues by geographical location and segment for the nine-month period ended September 30, 2021 are as follows (in millions):

						Risk
		Brokerage				Management				Corporate				Total
Revenues:
United States		$	2,919.3			$	672.9			$	921.6			$	4,513.8
United Kingdom			895.0				35.0				—				930.0
Australia			187.1				91.6				—				278.7
Canada			215.5				4.4				—				219.9
New Zealand			118.9				11.1				—				130.0
Other foreign			164.3				—				—				164.3
Total revenues		$	4,500.1			$	815.0			$	921.6			$	6,236.7

Revenues by type and segment for the nine-month period ended September 30, 2020 are as follows (in millions):

						Risk
		Brokerage				Management				Corporate				Total
Revenues:
Commissions		$	2,734.6			$	—			$	—			$	2,734.6
Fees			858.1				604.7				—				1,462.8
Supplemental revenues			164.0				—				—				164.0
Contingent revenues			117.0				—				—				117.0
Investment income			53.0				0.6				—				53.6
Net gains on divestitures			4.6				—				—				4.6
Revenues from clean coal activities			—				—				652.1				652.1
Other net losses			—				—				(0.4	)			(0.4	)
Revenues before reimbursements			3,931.3				605.3				651.7				5,188.3
Reimbursements			—				111.7				—				111.7
Total revenues		$	3,931.3			$	717.0			$	651.7			$	5,300.0

Revenues by geographical location and segment for the three-month period ended September 30, 2020 are as follows (in millions):

						Risk
		Brokerage				Management				Corporate				Total
Revenues:
United States		$	866.6			$	203.9			$	310.2			$	1,380.7
United Kingdom			230.8				9.8				—				240.6
Australia			56.6				26.2				—				82.8
Canada			57.1				1.4				—				58.5
New Zealand			37.0				3.0				—				40.0
Other foreign			46.5				—				—				46.5
Total revenues		$	1,294.6			$	244.3			$	310.2			$	1,849.1

Revenues by geographical location and segment for the nine-month period ended September 30, 2020 are as follows (in millions):

						Risk
		Brokerage				Management				Corporate				Total
Revenues:
United States		$	2,613.3			$	602.2			$	651.7			$	3,867.2
United Kingdom			746.2				29.4				—				775.6
Australia			156.6				72.5				—				229.1
Canada			171.5				3.9				—				175.4
New Zealand			103.0				9.0				—				112.0
Other foreign			140.7				—				—				140.7
Total revenues		$	3,931.3			$	717.0			$	651.7			$	5,300.0

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
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