Income Taxes (Summary Of Deferred Tax Assets And Deferred Tax Liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Income Tax Disclosure [Abstract]
Policyholder and separate account reserves	$ 568,053	$ 498,231
Accrued liabilities	32,257	23,183
Investments, net	140,785	168,061
Net operating loss carryforwards	40,479	50,103
Deferred gain on disposal of businesses	32,362	35,347
Compensation related	28,289	24,029
Employee and post-retirement benefits	115,904	111,716
Unearned fee income	50,931	55,765
Other	48,548	40,584
Total deferred tax asset	1,057,608	1,007,019
Less valuation allowance	(13,218)	(18,164)
Deferred tax assets, net of valuation allowance	1,044,390	988,855
Deferred acquisition costs	(931,630)	(867,212)
Net unrealized appreciation on securities	(262,075)	(435,375)
Total deferred tax liability	(1,193,705)	(1,302,587)
Net deferred income tax liability	$ (149,315)	$ (313,732)