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Segment Information (Tables)

9 Months Ended

Sep. 30, 2018

Segment Reporting [Abstract]

Schedule of Segment Reporting Information by Segment

Financial information relating to our segments for the three-month and nine-month periods ended September 30, 2018 and 2017 is as follows (in millions):

		Three-month period								Nine-month period
		ended September 30,								ended September 30,
						2017								2017
		2018				As Restated for Adoption of Topic 606				2018				As Restated for Adoption of Topic 606
Brokerage
Total revenues		$	1,049.4			$	938.7			$	3,245.1			$	2,919.7
Earnings before income taxes		$	163.2			$	141.2			$	652.7			$	542.8
Identifiable assets at September 30, 2018 and 2017										$	13,700.7			$	13,019.7
Risk Management
Total revenues		$	236.4			$	224.4			$	703.6			$	651.1
Earnings before income taxes		$	22.3			$	26.5			$	67.9			$	69.2
Identifiable assets at September 30, 2018 and 2017										$	748.3			$	738.0
Corporate
Total revenues		$	492.7			$	430.6			$	1,327.9			$	1,158.8
Loss before income taxes		$	(95.2	)		$	(90.8	)		$	(284.4	)		$	(281.4	)
Identifiable assets at September 30, 2018 and 2017										$	1,665.7			$	1,746.7

Summary of Revenues by Type and Segment

Revenues by type and segment for the three-month period ended September 30, 2018 are as follows (in millions):

		Brokerage				Risk Management				Corporate				Total
Revenues:
Commissions		$	707.6			$	—			$	—			$	707.6
Fees			253.7				199.0				—				452.7
Supplemental revenues			43.9				—				—				43.9
Contingent revenues			25.7				—				—				25.7
Investment income			17.9				0.1				—				18.0
Gains on books of business sales			0.6				—				—				0.6
Revenues from clean coal activities			—				—				492.4				492.4
Other net revenues			—				—				0.3				0.3
Revenues before reimbursements			1,049.4				199.1				492.7				1,741.2
Reimbursements			—				37.3				—				37.3
Total revenues		$	1,049.4			$	236.4			$	492.7			$	1,778.5

Revenues by type and segment for the nine-month period ended September 30, 2018 are as follows (in millions):

		Brokerage				Risk Management				Corporate				Total
Revenues:
Commissions		$	2,235.0			$	—			$	—			$	2,235.0
Fees			727.3				595.7				—				1,323.0
Supplemental revenues			144.0				—				—				144.0
Contingent revenues			82.4				—				—				82.4
Investment income			46.8				0.4				—				47.2
Gains on books of business sales			9.6				—				—				9.6
Revenues from clean coal activities			—				—				1,327.0				1,327.0
Other net revenues			—				—				0.9				0.9
Revenues before reimbursements			3,245.1				596.1				1,327.9				5,169.1
Reimbursements			—				107.5				—				107.5
Total revenues		$	3,245.1			$	703.6			$	1,327.9			$	5,276.6

Revenues by type and segment for the three-month period ended September 30, 2017, as restated for the adoption of Topic 606, are as follows (in millions):

		Brokerage				Risk Management				Corporate				Total
Revenues:
Commissions		$	637.9			$	—			$	—			$	637.9
Fees			225.7				190.5				—				416.2
Supplemental revenues			36.9				—				—				36.9
Contingent revenues			21.8				—				—				21.8
Investment income			15.8				0.1				—				15.9
Gains on books of business sales			0.6				—				—				0.6
Revenues from clean coal activities			—				—				430.6				430.6
Revenues before reimbursements			938.7				190.6				430.6				1,559.9
Reimbursements			—				33.8				—				33.8
Total revenues		$	938.7			$	224.4			$	430.6			$	1,593.7

Revenues by type and segment for the nine-month period ended September 30, 2017, as restated for the adoption of Topic 606, are as follows (in millions):

		Brokerage				Risk Management				Corporate				Total
Revenues:
Commissions		$	2,016.8			$	—			$	—			$	2,016.8
Fees			659.5				548.6				—				1,208.1
Supplemental revenues			120.0				—				—				120.0
Contingent revenues			78.1				—				—				78.1
Investment income			42.2				0.4				—				42.6
Gains on books of business sales			3.1				—				—				3.1
Revenues from clean coal activities			—				—				1,158.8				1,158.8
Revenues before reimbursements			2,919.7				549.0				1,158.8				4,627.5
Reimbursements			—				102.1				—				102.1
Total revenues		$	2,919.7			$	651.1			$	1,158.8			$	4,729.6

Summary of Geographical Location and Segment

Revenues by geographical location and segment for the three-month period ended September 30, 2018 are as follows (in millions):

		Brokerage				Risk Management				Corporate				Total
Revenues:
United States		$	724.2			$	201.5			$	492.7			$	1,418.4
United Kingdom			169.3				8.7				—				178.0
Australia			49.1				21.1				—				70.2
Canada			40.3				0.9				—				41.2
New Zealand			35.0				4.2				—				39.2
Other foreign			31.5				—				—				31.5
Total revenues		$	1,049.4			$	236.4			$	492.7			$	1,778.5

Revenues by geographical location and segment for the nine-month period ended September 30, 2018 are as follows (in millions):

		Brokerage				Risk Management				Corporate				Total
Revenues:
United States		$	2,192.5			$	591.6			$	1,327.9			$	4,112.0
United Kingdom			564.6				26.5				—				591.1
Australia			146.6				70.5				—				217.1
Canada			130.9				3.0				—				133.9
New Zealand			104.5				12.0				—				116.5
Other foreign			106.0				—				—				106.0
Total revenues		$	3,245.1			$	703.6			$	1,327.9			$	5,276.6

Revenues by geographical location and segment for the three-month period ended September 30, 2017, as restated for the adoption of Topic 606, are as follows (in millions):

		Brokerage				Risk Management				Corporate				Total
Revenues:
United States		$	620.4			$	190.5			$	430.6			$	1,241.5
United Kingdom			168.8				8.4				—				177.2
Australia			50.5				19.1				—				69.6
Canada			35.4				1.4				—				36.8
New Zealand			36.0				5.0				—				41.0
Other foreign			27.6				—				—				27.6
Total revenues		$	938.7			$	224.4			$	430.6			$	1,593.7

Revenues by geographical location and segment for the nine-month period ended September 30, 2017, as restated for the adoption of Topic 606, are as follows (in millions):

		Brokerage				Risk Management				Corporate				Total
Revenues:
United States		$	1,965.5			$	558.2			$	1,158.8			$	3,682.5
United Kingdom			514.8				22.0				—				536.8
Australia			142.8				56.9				—				199.7
Canada			104.1				3.1				—				107.2
New Zealand			99.9				10.9				—				110.8
Other foreign			92.6				—				—				92.6
Total revenues		$	2,919.7			$	651.1			$	1,158.8			$	4,729.6

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-Name Accounting Standards Codification
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