Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 727.4	$ 740.5
Cash and cash equivalents of consolidated investment products	382.3	636.7
Unsettled fund receivables	444.4	513.4
Accounts receivable	424.4	424.7
Accounts receivable of consolidated investment products	98.5	158.8
Investments	283.7	308.8
Prepaid assets	51.2	64.0
Other current assets	150.0	101.8
Deferred tax asset, net	28.7	30.4
Assets held for policyholders	1,243.5	1,295.4
Total current assets	3,834.1	4,274.5
Non-current assets:
Investments	200.8	164.4
Investments of consolidated investment products	6,629.0	7,206.0
Security deposit assets and receivables	81.2	146.3
Other non-current assets	17.9	20.9
Deferred sales commissions	40.5	42.2
Property and equipment, net	312.8	272.4
Intangible assets, net	1,322.8	1,337.2
Goodwill	6,907.9	6,980.2
Total non-current assets	15,512.9	16,169.6
Total assets	19,347.0	20,444.1
Current liabilities:
Current maturities of total debt	215.1	0
Unsettled fund payables	439.6	504.8
Income taxes payable	59.6	72.2
Other current liabilities	841.5	905.7
Other current liabilities of consolidated investment products	175.1	486.4
Policyholder payables	1,243.5	1,295.4
Total current liabilities	2,974.4	3,264.5
Non-current liabilities:
Long-term debt	1,069.6	1,315.7
Long-term debt of consolidated investment products	5,512.9	5,865.4
Deferred tax liabilities, net	274.0	229.0
Security deposits payable	81.2	146.3
Other non-current liabilities	297.3	262.3
Total non-current liabilities	7,235.0	7,818.7
Total liabilities	10,209.4	11,083.2
Equity attributable to common shareholders:
Common shares ($0.20 par value; 1,050.0 million authorized; 490.4 million shares issued as of December 31, 2011, and 2010)	98.1	98.1
Additional paid-in-capital	6,180.6	6,262.6
Treasury shares	(1,280.4)	(991.5)
Retained earnings	2,413.2	1,904.4
Retained earnings appropriated for investors in consolidated investment products	334.3	495.5
Accumulated other comprehensive income, net of tax	373.3	495.5
Total equity attributable to common shareholders	8,119.1	8,264.6
Equity attributable to noncontrolling interests in consolidated entities	1,018.5	1,096.3
Total equity	9,137.6	9,360.9
Total liabilities and equity	$ 19,347.0	$ 20,444.1