Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Revenues:
Asset management, administration and distribution fees	$ 252,585	$ 244,704	$ 756,101	$ 705,966
Information processing and software servicing fees	74,413	70,020	218,765	215,026
Transaction-based and trade execution fees	8,624	7,323	23,945	22,256
Total revenues	335,622	322,047	998,811	943,248
Expenses:
Subadvisory, distribution and other asset management costs	40,230	39,737	119,619	110,993
Software royalties and other information processing costs	8,028	8,562	23,594	25,532
Brokerage commissions	6,460	5,119	17,863	16,217
Compensation, benefits and other personnel	99,461	94,316	292,646	281,210
Stock-based compensation	3,867	3,786	11,476	9,481
Consulting, outsourcing and professional fees	35,963	34,946	108,560	103,283
Data processing and computer related	15,173	13,555	43,100	39,553
Facilities, supplies and other costs	22,477	16,136	56,195	49,354
Amortization	10,837	9,813	31,806	28,611
Depreciation	6,108	5,579	17,946	16,494
Total expenses	248,604	231,549	722,805	680,728
Income from operations	87,018	90,498	276,006	262,520
Net (loss) gain from investments	(756)	(478)	(544)	49
Interest and dividend income	846	750	2,570	2,248
Interest expense	(115)	(115)	(342)	(342)
Equity in earnings of unconsolidated affiliates	33,595	37,963	104,917	104,080
Gain on sale of subsidiary	0	0	2,791	5,582
Income before income taxes	120,588	128,618	385,398	374,137
Income taxes	41,163	44,635	135,122	132,521
Net income	$ 79,425	$ 83,983	$ 250,276	$ 241,616
Basic earnings per common share	$ 0.48	$ 0.50	$ 1.51	$ 1.43
Shares used to compute basic earnings per share	165,579	167,925	166,142	168,612
Diluted earnings per common share	$ 0.47	$ 0.49	$ 1.47	$ 1.39
Shares used to compute diluted earnings per share	169,255	172,905	169,977	173,700
Dividends declared per common share	$ 0.00	$ 0.00	$ 0.24	$ 0.22