Goodwill and Acquired Intangible Assets, NET (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Customer Relationships, Gross	$ 172,280,000	$ 178,572,000
Finite lived trademarks and trade names	44,226,000	43,401,000
Finite-Lived Computer Software, Gross	5,914,000	5,771,000
Finite-Lived Noncompete Agreements, Gross	1,798,000	1,253,000
Finite-Lived Intangible Assets, Gross	224,218,000	228,997,000
Aquired intangible assets, accumulated amortization	(140,829,000)	(129,119,000)
Future Amortization Expense, Year One								18,100,000
Future Amortization Expense, Year Two							15,300,000
Future Amortization Expense, Year Three						10,100,000
Future Amortization Expense, Year Four					8,500,000
Future Amortization Expense, Year Five				6,900,000
Goodwill and Finite-lived Intangible Assets Rollforward [Roll Forward]
Finite-Lived Intangible Assets, Net	83,389,000	99,878,000	95,819,000
Goodwill	481,760,000	488,628,000	445,713,000
Total intangible assets, net, including goodwill	565,149,000	588,506,000	541,532,000
Finite-lived intangible assets acquired during period	10,856,000	28,616,000
Goodwill, Acquired During Period	12,812,000	56,855,000
Total intangible assets acquired during period	23,668,000	85,471,000
Finite-Lived Intangible Assets, Amortization Expense	(22,129,000)	(22,223,000)	(23,200,000)
Total intangible assets amortization expense	(22,129,000)	(22,223,000)
Finite-lived intangible assets, other changes	19,000	(2,334,000)
Goodwill, Other Changes	3,825,000	(13,940,000)
Total intangible assets, other changes	3,844,000	(16,274,000)
Goodwill and aquired intangible asset impairment	(28,740,000)	0	(70,925,000)
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Aquired intangible assets, accumulated amortization	120,117,000	111,589,000
Trademarks and trade names [Member]
Finite-Lived Intangible Assets [Line Items]
Aquired intangible assets, accumulated amortization	13,742,000	11,232,000
Software [Member]
Finite-Lived Intangible Assets [Line Items]
Aquired intangible assets, accumulated amortization	5,645,000	5,233,000
Noncompete Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Aquired intangible assets, accumulated amortization	1,325,000	1,065,000
epay Brazil [Member]
Goodwill and Finite-lived Intangible Assets Rollforward [Roll Forward]
Goodwill, Impairment Loss	(23,505,000)
epay Brazil [Member] | Customer Relationships [Member]
Goodwill and Finite-lived Intangible Assets Rollforward [Roll Forward]
Impairment of Intangible Assets, Finite-lived	(5,235,000)
epay U.K. [Member]
Goodwill and Finite-lived Intangible Assets Rollforward [Roll Forward]
Goodwill, Impairment Loss			(58,200,000)
epay Spain [Member]
Goodwill and Finite-lived Intangible Assets Rollforward [Roll Forward]
Goodwill, Impairment Loss			(11,200,000)
epay Romania [Member]
Goodwill and Finite-lived Intangible Assets Rollforward [Roll Forward]
Goodwill, Impairment Loss			(1,525,000)
Money Transfer Segment [Member]
Goodwill and Finite-lived Intangible Assets Rollforward [Roll Forward]
Goodwill	240,400,000
Goodwill and aquired intangible asset impairment	0		0
Epay Segment [Member]
Goodwill and Finite-lived Intangible Assets Rollforward [Roll Forward]
Goodwill	191,000,000
Goodwill and aquired intangible asset impairment	(28,740,000)		(70,925,000)
Eft Processing Segment [Member]
Goodwill and Finite-lived Intangible Assets Rollforward [Roll Forward]
Goodwill	50,400,000
Goodwill and aquired intangible asset impairment	$ 0		$ 0