CONSOLIDATED BALANCE SHEETS (USD $) In Millions, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 335.0	$ 430.4
Investment advisory fees receivable	256.7	255.5
Investments in marketable securities	135.5	128.9
Unsettled fund shares receivable	275.9	40.1
Prepaid expenses and other current assets	61.2	57.4
Total current assets	1,064.3	912.3
Fixed assets, net	83.1	81.5
Equity method investments in Affiliates	984.5	1,031.3
Acquired client relationships, net	1,535.4	1,585.5
Goodwill	2,342.1	2,355.2
Other assets	215.7	221.3
Total assets	6,225.1	6,187.1
Current liabilities:
Accounts payable and accrued liabilities	237.0	324.7
Unsettled fund shares payable	279.2	39.8
Payables to related party	23.0	11.3
Total current liabilities	539.2	375.8
Senior bank debt	150.0	325.0
Senior notes	340.0	340.0
Senior convertible securities	454.0	450.1
Junior convertible trust preferred securities	516.3	515.5
Deferred income taxes	503.6	497.1
Other long-term liabilities	172.0	164.7
Total liabilities	2,675.1	2,668.2
Redeemable non-controlling interests	512.0	477.5
Equity:
Common stock	0.5	0.5
Additional paid-in capital	817.7	868.5
Accumulated other comprehensive income	58.0	79.1
Retained earnings	1,413.1	1,350.7
Total stockholders' equity before treasury stock	2,289.3	2,298.8
Less treasury stock, at cost	(158.4)	(214.6)
Total stockholders' equity	2,130.9	2,084.2
Non-controlling interests	907.1	957.2
Total equity	3,038.0	3,041.4
Total liabilities and equity	$ 6,225.1	$ 6,187.1