Goodwill And Other Intangible Assets (Gross Amount Of Other Intangible Assets And The Related Accumulated Amortization) (Details) (USD $) In Thousands, unless otherwise specified					3 Months Ended				3 Months Ended
	Mar. 31, 2013	Dec. 31, 2012	Mar. 31, 2013 Retailer Relationships [Member]	Dec. 31, 2012 Retailer Relationships [Member]	Mar. 31, 2013 Retailer Relationships [Member] Maximum [Member]	Mar. 31, 2013 Retailer Relationships [Member] Minimum [Member]	Mar. 31, 2013 Other [Member]	Dec. 31, 2012 Other [Member]	Mar. 31, 2013 Other [Member] Maximum [Member]	Mar. 31, 2013 Other [Member] Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets, amortization period, years					10 years	5 years			40 years	1 year
Intangible assets, gross			$ 53,344	$ 53,344			$ 9,404	$ 9,404
Intangible assets, accumulated amortization			(13,095)	(11,518)			(2,701)	(2,261)
Intangible assets, net	$ 46,952	$ 48,969	$ 40,249	$ 41,826			$ 6,703	$ 7,143