CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Cash flows from operating activities:
Net income	$ 116,965	$ 182,812	$ 144,209
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	19,970	28,278	20,983
Write-down of impaired assets	12,841	1,538	1,500
Amortization of deferred sales commissions	1,892	3,348	4,855
Share-based compensation	46,613	51,565	57,716
Investments (gain) loss, net	(35,466)	26,449	(17,104)
Net purchases, maturities, and sales of trading and equity securities	(21,550)	(30,237)	(43,714)
Deferred income taxes	(3,009)	783	20,481
Pension and postretirement plan benefits	10,675	(15,380)	(17,714)
Net change in equity securities and trading debt securities held by consolidated sponsored funds	14,399	81,119	(101,457)
Other	1,786	1,158	3,276
Changes in assets and liabilities:
Customer and other receivables	55,418	(20,407)	(3,013)
Payable to investment companies for securities and payable to customers	(64,828)	76,017	(26,357)
Receivables from funds and separate accounts	2,945	7,552	1,517
Other assets	20,020	2,194	10,134
Accounts payable and payable to third party brokers	(9,299)	(18,007)	4,395
Other liabilities	(3,389)	(21,767)	(8,856)
Net cash provided by operating activities	165,983	357,015	50,851
Cash flows from investing activities:
Purchases of available for sale and equity method securities	(162,378)	(113,975)	(365,770)
Proceeds from sales of available for sale and equity method securities	19,667	1,157	160,158
Proceeds from maturities of available for sale securities	141,613	125,727
Additions to property and equipment	(5,753)	(2,566)	(6,783)
Net cash (used in) provided by investing activities	(6,851)	10,343	(212,395)
Cash flows from financing activities:
Dividends paid	(74,291)	(81,215)	(154,042)
Repurchase of common stock	(155,807)	(133,378)	(35,768)
Repayment of short-term debt, net of debt issuance costs		(94,925)
Net subscriptions (redemptions, distributions and deconsolidations) of redeemable noncontrolling interests in sponsored funds	5,769	(2,270)	926
Other	(218)		174
Net cash used in financing activities	(224,547)	(311,788)	(188,710)
Net (decrease) increase in cash and cash equivalents	(65,415)	55,570	(350,254)
Cash, cash equivalents, and restricted cash at beginning of period	291,555	235,985	586,239
Cash, cash equivalents, and restricted cash at end of period	226,140	291,555	235,985
Cash paid for:
Income taxes, net	53,022	59,147	85,299
Interest	$ 5,503	$ 7,948	$ 10,299