Condensed Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 880.1	$ 727.4
Cash and cash equivalents of consolidated investment products	552.7	382.3
Unsettled fund receivables	596.0	444.4
Accounts receivable	406.1	424.4
Accounts receivable of consolidated investment products	58.3	98.5
Investments	364.2	283.7
Prepaid assets	55.8	51.2
Other current assets	81.7	150.0
Deferred tax asset, net	26.5	28.7
Assets held for policyholders	1,139.3	1,243.5
Total current assets	4,160.7	3,834.1
Non-current assets:
Investments	223.5	200.8
Investments of consolidated investment products	4,717.9	6,629.0
Security deposit assets and receivables	30.1	81.2
Other non-current assets	17.2	17.9
Deferred sales commissions	46.0	40.5
Property and equipment, net	329.9	312.8
Intangible assets, net	1,295.8	1,322.8
Goodwill	7,039.9	6,907.9
Total non-current assets	13,700.3	15,512.9
Total assets	17,861.0	19,347.0
Current liabilities:
Current maturities of total debt	333.5	215.1
Unsettled fund payables	598.2	439.6
Income taxes payable	64.4	59.6
Other current liabilities	719.1	841.5
Other current liabilities of consolidated investment products	329.8	175.1
Policyholder payables	1,139.3	1,243.5
Total current liabilities	3,184.3	2,974.4
Non-current liabilities:
Long-term debt	951.6	1,069.6
Long-term debt of consolidated investment products	3,855.0	5,512.9
Deferred tax liabilities, net	313.5	274.0
Security deposits payable	30.1	81.2
Other non-current liabilities	329.1	297.3
Total non-current liabilities	5,479.3	7,235.0
Total liabilities	8,663.6	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 September 30, 2012 and December 31, 2011)	98.1	98.1
Additional paid-in-capital	6,122.6	6,180.6
Treasury shares	(1,323.0)	(1,280.4)
Retained earnings	2,720.1	2,413.2
Retained earnings appropriated for investors in consolidated investment products	159.1	334.3
Accumulated other comprehensive income, net of tax	538.2	373.3
Total equity attributable to common shareholders	8,315.1	8,119.1
Equity attributable to noncontrolling interests in consolidated entities	882.3	1,018.5
Total equity	9,197.4	9,137.6
Total liabilities and equity	$ 17,861.0	$ 19,347.0