Deferred Acquisition Costs ("DAC"), Value Of Business Acquired ("VOBA") And Other Intangible Assets (Estimated Net Amortization Of VOBA For Next Five Years) (Details) $ in Millions	9 Months Ended
	Sep. 30, 2015 USD ($)
Deferred Acquisition Costs, Value Of Business Acquired And Other Intangible Assets Disclosures [Abstract]
2015	$ 1.6
2016	4.7
2017	3.5
2018	3.5
2019	3.3
2020	$ 3.3