7. Investing Activities (Details Narrative) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011
Notes to Financial Statements
Unrealized losses on below-investment-grade debt securities depressed of amortized cost, amount	$ 24.9		$ 24.9		$ 46.5
Unrealized losses on below-investment-grade debt securities depressed of amortized cost, percentage	20.00%		20.00%		20.00%
Unrealized losses on below-investment-grade debt securities depressed of amortized cost for more than 12 month, amount	24.6		24.6		42.5
Unrealized losses on below-investment-grade debt securities depressed of amortized cost for more than 12 month, percentage	20.00%		20.00%		20.00%
Total debt impairments recognized	1.0	1.0	2.6	2.3
Amount of impairments recognized as adjustment to other comprehensive loss	(0.3)	3.7	1.8	4.7
Limited partnerships and other investment OTTIs	6.3		6.3		4.7
Carrying value of investments in non-consolidated VIEs	1.5		1.5		1.2
Fixed maturities below-investment-grade assets	156.3		156.3		147.4
Derivative assets, net of liabilities	125.8		125.8
Debt securities, fair value	28.8		28.8
Maximum amount of loss due to credit risk			$ 154.6