VOBA And Other Intangible Assets (Information About Other Intangible Assets) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Finite-Lived Intangible Assets [Line Items]
Carrying Value	$ 552,492	$ 651,528
Accumulated Amortization	(275,329)	(269,568)
Total other intangible assets	277,163	381,960
Amortization of Intangible Assets	71,664	63,924	$ 44,671
Contract based intangibles
Finite-Lived Intangible Assets [Line Items]
Carrying Value	47,134	63,538
Accumulated Amortization	(30,820)	(36,221)
Total other intangible assets	16,314	27,317
Customer related intangibles
Finite-Lived Intangible Assets [Line Items]
Carrying Value	438,737	520,894
Accumulated Amortization	(212,542)	(212,326)
Total other intangible assets	226,195	308,568
Marketing related intangibles
Finite-Lived Intangible Assets [Line Items]
Carrying Value	41,386	41,861
Accumulated Amortization	(20,977)	(15,686)
Total other intangible assets	20,409	26,175
Technology based intangibles
Finite-Lived Intangible Assets [Line Items]
Carrying Value	25,235	25,235
Accumulated Amortization	(10,990)	(5,335)
Total other intangible assets	$ 14,245	$ 19,900