Condensed Consolidated Statements of Operations - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Revenue:
Revenue	$ 178.5	$ 207.5
Total revenue	182.6	207.2
Operating expenses:
Impairment of goodwill	16.4	0.0
Amortization of acquired intangibles	1.6
Total operating expenses	108.5	139.2
Operating income	74.1	68.0
Non-operating income and (expense):
Net consolidated Funds’ investment gains (losses)	(30.9)	20.6
Total non-operating income (loss)	(38.4)	14.7
Income from continuing operations before taxes	35.7	82.7
Income tax expense	13.6	21.6
Income from continuing operations	22.1	61.1
Gain (loss) on disposal of discontinued operations, net of tax	0.0	0.0
Net income	22.1	61.1
Net income (loss) attributable to non-controlling interests in consolidated Funds	(10.5)	8.4
Net income attributable to controlling interests	$ 32.6	$ 52.7
Earnings per share (basic) attributable to controlling interests (in dollars per share)	$ 0.38	$ 0.54
Earnings per share (diluted) attributable to controlling interests (in dollars per share)	0.38	0.54
Continuing operations earnings per share (basic) attributable to controlling interests (in dollars per share)	0.38	0.54
Continuing operations earnings per share (diluted) attributable to controlling interests (in dollars per share)	$ 0.38	$ 0.54
Weighted average ordinary shares outstanding (in shares)	85,081,166	97,645,020
Weighted average diluted ordinary shares outstanding (in shares)	85,099,059	97,844,583
Investments in unconsolidated Funds
Revenue:
Other revenue	$ 1.6	$ 1.4
Operating expenses:
Compensation and benefits	57.4	101.1
General and administrative expense	27.7	32.5
Impairment of goodwill	16.4	0.0
Amortization of acquired intangibles	1.6	1.6
Depreciation and other amortization	5.3	3.8
Non-operating income and (expense):
Investment income (loss)	(13.7)	7.0
Interest income	0.3	1.1
Interest expense	(7.8)	(7.0)
Gain (loss) on disposal of discontinued operations, net of tax	0.0	0.0
Consolidated Funds
Revenue:
Total revenue	1.5	1.1
Operating expenses:
Total operating expenses	0.1	0.2
Non-operating income and (expense):
Net consolidated Funds’ investment gains (losses)	(17.2)	13.6
Net income (loss) attributable to non-controlling interests in consolidated Funds	(10.5)	8.4
Management fees
Revenue:
Revenue	178.5	207.5
Management fees | Investments in unconsolidated Funds
Revenue:
Revenue	178.5	207.5
Performance fees | Investments in unconsolidated Funds
Revenue:
Revenue	$ 1.0	$ (2.8)