Discontinued Operations (Tables)

12 Months Ended

Dec. 31, 2022

Discontinued Operations and Disposal Groups [Abstract]

Schedule of gain (loss) from discontinued operations

The major classes of revenue and expenses constituting net income from discontinued operations attributable to controlling interests for Landmark and TSW in the Consolidated Statements of Operations for the years ended December 31 are as follows (in millions):

	2022		2021		2020
Revenues	$	—	$	115.1	$	219.0
Operating expenses:
Compensation and benefits	—		91.2		145.6
General and administrative expenses	—		8.1		18.0
Amortization of intangibles	—		2.7		6.4
Depreciation and amortization	—		0.5		1.2
Consolidated Funds’ expense	—		0.1		0.1
Total operating expenses	—		102.6		171.3
Operating income	—		12.5		47.7
Investment gains of consolidated Funds	—		68.1		35.1
Income from discontinued operations before taxes	—		80.6		82.8
Income tax expense	—		3.3		15.0
Income from discontinued operations, net of tax	—		77.3		67.8
Gain on disposal, net of tax of $0.0, $253.4, and $0.0	—		691.0		—
Total discontinued operations	—		768.3		67.8
Income from discontinued operations attributable to non-controlling interests	—		68.0		28.4
Net income from discontinued operations attributable to controlling interests	$	—	$	700.3	$	39.4