CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Cash flow from (used in) operating activities:
Net income	$ 214.1	$ 40.0
Adjustments to reconcile Net income to cash flow from (used in) operating activities:
Intangible amortization and impairments	7.5	20.6
Depreciation and other amortization	4.3	5.1
Deferred income tax (benefit) expense	17.8	(19.2)
Equity method loss (income) (net)	(51.7)	113.2
Distributions of earnings received from equity method investments	157.9	124.4
Share-based compensation and Affiliate equity expense	34.9	24.8
Other non-cash items	(23.3)	9.0
Changes in assets and liabilities:
Purchases of securities by consolidated Affiliate sponsored investment products	(48.3)	(26.0)
Sales of securities by consolidated Affiliate sponsored investment products	23.7	25.2
Increase in receivables	(86.6)	(32.7)
Decrease in other assets	11.2	10.8
Decrease in payables, accrued liabilities, and other liabilities	(72.6)	(209.6)
Cash flow from operating activities	188.9	85.6
Cash flow from (used in) investing activities:
Investments in Affiliates	(11.8)	(0.7)
Purchase of fixed assets	(0.7)	(2.6)
Purchase of investment securities	(21.0)	(11.9)
Sale of investment securities	9.4	31.1
Cash flow from (used in) investing activities	(24.1)	15.9
Cash flow from (used in) financing activities:
Borrowings of senior bank debt, senior notes, and junior subordinated notes	0.0	250.0
Repayments of senior bank debt and junior convertible securities	(15.0)	0.0
Repurchases of common stock (net)	(312.8)	(80.2)
Dividends paid on common stock	(0.5)	(15.3)
Distributions to non-controlling interests	(102.6)	(99.6)
Affiliate equity (purchases) / issuances (net)	(15.0)	(84.4)
Other financing items	5.0	(8.2)
Cash flow used in financing activities	(440.9)	(37.7)
Effect of foreign currency exchange rate changes on cash and cash equivalents	2.6	(11.2)
Net increase (decrease) in cash and cash equivalents	(273.5)	52.6
Cash and cash equivalents at beginning of period	1,039.7	539.6
Cash and cash equivalents at end of period	$ 766.2	$ 592.2