Acquisitions (Fair Values Of Intangible Assets Acquired) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011 years
Acquired Finite-Lived Intangible Assets [Line Items]
Fair Values	$ 46,000
Customer Contracts [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Fair Values	33,700
Weighted Average Period Before Next Renewal	6.8
Bank Branding Contracts [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Fair Values	11,200
Useful Lives	4.1
Weighted Average Period Before Next Renewal	3.8
Non-Compete Agreements [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Fair Values	$ 1,100
Useful Lives	2
Maximum [Member] | Customer Contracts [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Useful Lives	9.4
Minimum [Member] | Customer Contracts [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Useful Lives	7