Condensed Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 718.4	$ 727.4
Cash and cash equivalents of consolidated investment products	380.5	382.3
Unsettled fund receivables	487.1	444.4
Accounts receivable	398.4	424.4
Accounts receivable of consolidated investment products	114.7	98.5
Investments	344.5	283.7
Prepaid assets	51.4	51.2
Other current assets	88.4	150.0
Deferred tax asset, net	24.2	28.7
Assets held for policyholders	1,065.4	1,243.5
Total current assets	3,673.0	3,834.1
Non-current assets:
Investments	218.8	200.8
Investments of consolidated investment products	6,050.9	6,629.0
Security deposit assets and receivables	75.0	81.2
Other non-current assets	18.4	17.9
Deferred sales commissions	43.8	40.5
Property and equipment, net	314.6	312.8
Intangible assets, net	1,302.3	1,322.8
Goodwill	6,916.1	6,907.9
Total non-current assets	14,939.9	15,512.9
Total assets	18,612.9	19,347.0
Current liabilities:
Current maturities of total debt	333.5	215.1
Unsettled fund payables	472.7	439.6
Income taxes payable	50.1	59.6
Other current liabilities	616.0	841.5
Other current liabilities of consolidated investment products	187.0	175.1
Policyholder payables	1,065.4	1,243.5
Total current liabilities	2,724.7	2,974.4
Non-current liabilities:
Long-term debt	1,008.1	1,069.6
Long-term debt of consolidated investment products	5,069.7	5,512.9
Deferred tax liabilities, net	307.8	274.0
Security deposits payable	75.0	81.2
Other non-current liabilities	308.8	297.3
Total non-current liabilities	6,769.4	7,235.0
Total liabilities	9,494.1	10,209.4
Commitments and contingencies (See Note 10)
Equity attributable to common shareholders:
Common shares ($0.20 par value; 1,050.0 million authorized; 490.4 million shares issued as of June 30, 2012 and December 31, 2011)	98.1	98.1
Additional paid-in-capital	6,100.2	6,180.6
Treasury shares	(1,301.5)	(1,280.4)
Retained earnings	2,627.3	2,413.2
Retained earnings appropriated for investors in consolidated investment products	251.8	334.3
Accumulated other comprehensive income, net of tax	389.9	373.3
Total equity attributable to common shareholders	8,165.8	8,119.1
Equity attributable to noncontrolling interests in consolidated entities	953.0	1,018.5
Total equity	9,118.8	9,137.6
Total liabilities and equity	$ 18,612.9	$ 19,347.0