VOBA And Other Intangible Assets (Information About Other Intangible Assets) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2012
Finite-Lived Intangible Assets [Line Items]
Carrying Value	$ 651,528	[1]	$ 581,379	[1]
Accumulated Amortization	(269,568)	[1]	(226,743)	[1]
Total other intangible assets	381,960	[1]	354,636	[1]
Amount removed from amortizable intangible assets that have no future value			137,071
Amortization of Intangible Assets	63,924		44,671		52,283
Contract based intangibles
Finite-Lived Intangible Assets [Line Items]
Carrying Value	63,538		61,179
Accumulated Amortization	(36,221)		(33,113)
Total other intangible assets	27,317		28,066
Customer related intangibles
Finite-Lived Intangible Assets [Line Items]
Carrying Value	520,894		469,788
Accumulated Amortization	(212,326)		(170,690)
Total other intangible assets	308,568		299,098
Marketing related intangibles
Finite-Lived Intangible Assets [Line Items]
Carrying Value	41,861		36,652
Accumulated Amortization	(15,686)		(22,090)
Total other intangible assets	26,175		14,562
Technology based intangibles
Finite-Lived Intangible Assets [Line Items]
Carrying Value	25,235		13,760
Accumulated Amortization	(5,335)		(850)
Total other intangible assets	$ 19,900		$ 12,910

[1] In 2013, the Company removed $137,071 of fully amortized intangible assets that were determined to have no future value.