CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Assets:
Cash and cash equivalents	$ 566,621	$ 487,845
Cash and cash equivalents - restricted	76,595	121,419
Investment securities	243,283	201,348
Receivables:
Funds and separate accounts	39,110	36,467
Customers and other	216,843	141,763
Deferred income taxes	7,454	7,654
Income taxes receivable	7,747	419
Prepaid expenses and other current assets	14,980	9,410
Total current assets	1,172,633	1,006,325
Property and equipment, net	92,304	72,638
Deferred sales commissions, net	56,472	79,894
Goodwill and identifiable intangible assets	158,123	161,969
Deferred income taxes	20,036	3,839
Other non-current assets	12,298	12,300
Total assets	1,511,866	1,336,965
Liabilities:
Accounts payable	32,263	18,821
Payable to investment companies for securities	129,633	214,085
Payable to third party brokers	67,954	59,756
Payable to customers	110,399	8,664
Accrued compensation	67,574	58,677
Other current liabilities	55,143	59,726
Total current liabilities	462,966	419,729
Long-term debt	190,000	190,000
Accrued pension and postretirement costs	45,936	13,333
Other non-current liabilities	26,880	26,561
Total liabilities	725,782	649,623
Commitments and contingencies
Stockholders' equity :
Preferred stock $1.00 par value: 5,000 shares authorized; none issued
Class A Common stock-$0.01 par value: 250,000 shares authorized; 99,701 shares issued; 83,654 shares outstanding (85,236 at December 31, 2013)	997	997
Additional paid-in capital	318,636	267,406
Retained earnings	1,041,909	850,600
Cost of 16,047 common shares in treasury (14,465 at December 31, 2013)	(525,015)	(415,802)
Accumulated other comprehensive loss	(50,443)	(15,859)
Total stockholders' equity	786,084	687,342
Total liabilities and stockholders' equity	$ 1,511,866	$ 1,336,965