Acquisition (Purchase Price Allocations Of Intangible Assets) (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011
Business Acquisition [Line Items]
Other intangible assets	$ 162,500
Customer Relationships [Member]
Business Acquisition [Line Items]
Other intangible assets	135,400
Trade Names And Trademarks-Indefinite [Member]
Business Acquisition [Line Items]
Indefinite intangible assets	18,900
Weighted Average Useful Lives (in Years)	0 years
Merchant Network [Member]
Business Acquisition [Line Items]
Other intangible assets	$ 8,200
Weighted Average Useful Lives (in Years)	10 years
Minimum [Member] | Customer Relationships [Member]
Business Acquisition [Line Items]
Weighted Average Useful Lives (in Years)	10 years
Maximum [Member] | Customer Relationships [Member]
Business Acquisition [Line Items]
Weighted Average Useful Lives (in Years)	20 years