Summary Of Significant Accounting Policies (Accumulated Amortization Of Other Intangibles) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Finite-Lived Intangible Assets [Line Items]
Client relationships	$ 33,562	$ 32,059
Software development costs	39,327	33,990
Other	3,321	6,237
Total intangible assets	76,210	72,286
Total accumulated amortization	(36,634)	(26,030)
Total intangible assets - net	39,576	46,256
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Total accumulated amortization	(12,336)	(7,793)
Software and Software Development Costs [Member]
Finite-Lived Intangible Assets [Line Items]
Total accumulated amortization	(21,861)	(16,557)
Other Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Total accumulated amortization	$ (2,437)	$ (1,680)