Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 835.5	$ 727.4
Cash and cash equivalents of consolidated investment products	287.8	382.3
Unsettled fund receivables	550.1	444.4
Accounts receivable	449.4	424.4
Accounts receivable of consolidated investment products	84.1	98.5
Investments	363.9	283.7
Prepaid assets	50.3	51.2
Other current assets	94.5	150.0
Deferred tax asset, net	38.4	28.7
Assets held for policyholders	1,153.6	1,243.5
Total current assets	3,907.6	3,834.1
Non-current assets:
Investments	246.8	200.8
Investments of consolidated investment products	4,550.6	6,629.0
Security deposit assets and receivables	27.4	81.2
Other non-current assets	26.8	17.9
Deferred sales commissions	47.7	40.5
Property and equipment, net	349.6	312.8
Intangible assets, net	1,287.7	1,322.8
Goodwill	7,048.2	6,907.9
Total non-current assets	13,584.8	15,512.9
Total assets	17,492.4	19,347.0
Current liabilities:
Current maturities of total debt	0	215.1
Unsettled fund payables	552.5	439.6
Income taxes payable	77.9	59.6
Other current liabilities	824.7	841.5
Other current liabilities of consolidated investment products	104.3	175.1
Policyholder payables	1,153.6	1,243.5
Total current liabilities	2,713.0	2,974.4
Non-current liabilities:
Long-term debt	1,186.0	1,069.6
Long-term debt of consolidated investment products	3,899.4	5,512.9
Deferred tax liabilities, net	311.4	274.0
Security deposits payable	27.4	81.2
Other non-current liabilities	306.2	297.3
Total non-current liabilities	5,730.4	7,235.0
Total liabilities	8,443.4	10,209.4
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	6,141.0	6,180.6
Treasury shares	(1,382.9)	(1,280.4)
Retained earnings	2,801.3	2,413.2
Retained earnings appropriated for investors in consolidated investment products	128.8	334.3
Accumulated other comprehensive income, net of tax	530.5	373.3
Total equity attributable to common shareholders	8,316.8	8,119.1
Equity attributable to noncontrolling interests in consolidated entities	732.2	1,018.5
Total equity	9,049.0	9,137.6
Total liabilities and equity	$ 17,492.4	$ 19,347.0