Goodwill and Other Intangible Assets - Changes in Carrying Amount of Goodwill Allocated by Reportable Segments (Detail) $ in Thousands	6 Months Ended
	Jun. 30, 2015 USD ($)
Goodwill [Line Items]
Goodwill, Beginning Balance	$ 368,837
Foreign currency translation adjustments	74
Goodwill, Ending Balance	368,911
Merchant Acquiring, net [Member]
Goodwill [Line Items]
Goodwill, Beginning Balance	138,121
Goodwill, Ending Balance	138,121
Payment Processing [Member]
Goodwill [Line Items]
Goodwill, Beginning Balance	184,228
Foreign currency translation adjustments	(26)
Goodwill, Ending Balance	184,202
Business Solutions [Member]
Goodwill [Line Items]
Goodwill, Beginning Balance	46,488
Foreign currency translation adjustments	100
Goodwill, Ending Balance	$ 46,588