11. Separate Accounts Death Benefits, Other Insurance Benefit Features and Embedded Product Derivatives (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
Separate Accounts Death Benefits Other Insurance Benefit Features And Embedded Product Derivatives Details Narrative
Decrease in separate account assets and liabilities	$ 464.2
Fair value embedded derivatives	48.7		48.7		35.9
Embedded derivatives gains and (losses) recognized in earnings	$ 7.1	$ 6.9	$ 50.5	$ 42.9