Preliminary Purchase Price Allocation of Official Payments Holdings, Online Resources Corporation and PTESA (Detail) (USD $) In Thousands, unless otherwise specified												3 Months Ended
	Mar. 31, 2014	Dec. 31, 2013	Mar. 31, 2014 Official Payments Holdings, Inc.	Mar. 31, 2014 Official Payments Holdings, Inc. Software	Mar. 31, 2014 Official Payments Holdings, Inc. Customer relationships	Mar. 31, 2014 Official Payments Holdings, Inc. Trademarks	Mar. 31, 2014 Online Resources Corporation	Mar. 31, 2014 Online Resources Corporation Software	Mar. 31, 2014 Online Resources Corporation Customer relationships	Mar. 31, 2014 Online Resources Corporation Trademarks	Mar. 31, 2014 Profesionales en Transacciones Electronicas S.A. - Venezuela ("PTESA-V")	Mar. 31, 2014 Profesionales en Transacciones Electronicas S.A. - Venezuela ("PTESA-V") Software	Mar. 31, 2014 Profesionales en Transacciones Electronicas S.A. - Venezuela ("PTESA-V") Customer relationships Minimum	Mar. 31, 2014 Profesionales en Transacciones Electronicas S.A. - Venezuela ("PTESA-V") Customer relationships Maximum	Mar. 31, 2014 Profesionales en Transacciones Electronicas S.A. - Venezuela ("PTESA-V") Trademarks Minimum	Mar. 31, 2014 Profesionales en Transacciones Electronicas S.A. - Venezuela ("PTESA-V") Trademarks Maximum
Business Acquisition [Line Items]
Acquired intangible assets, weighted-average useful lives												10 years	14 years	15 years	3 years	5 years
Cash and cash equivalents			$ 25,871				$ 9,930				$ 193
Billed and accrued receivables, net			2,858				19,394				327
Deferred income taxes, net			2,443				11,726
Other current assets			27,766				17,643				95
Total current assets acquired			58,938				58,693				615
Property and equipment			8,141				7,335				6
Goodwill	665,406	669,217	38,715				122,247				7,113
Amortizable intangible assets				26,013	49,900	3,200		62,215	68,750	3,050		7,732
Other noncurrent assets			5,673				459				7
Total assets acquired			190,580				322,749				15,473
Accounts payable			8,869				15,394				341
Accrued employee compensation			15,006				10,549				261
Note payable							7,500
Other current liabilities			26,095				7,559
Total current liabilities acquired			49,970				41,002				602
Deferred income taxes, net							18,290				225
Other noncurrent liabilities acquired			828				3,339				439
Total liabilities acquired			50,798				62,631				1,266
Net assets acquired			$ 139,782				$ 260,118				$ 14,207