Deferred Acquisition Costs ("DAC"), Value Of Business Acquired ("VOBA") And Other Intangible Assets (Estimated Net Amortization Of VOBA For Next Five Years) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Sep. 30, 2012
Deferred Acquisition Costs, Value Of Business Acquired And Other Intangible Assets Disclosures [Abstract]
2012	$ 2.1
2013	8.5
2014	7.3
2015	7.3
2016	5.8
2017	$ 4.4