Segment Reporting and Major Customers - Operating Results (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2019	Mar. 31, 2018
Segment Reporting
Adjusted operating income	$ 357,287	$ 330,922
Share-based compensation	10,714	6,295
Depreciation and amortization	103,710	104,389
Contract asset amortization	8,038	6,874
Contract cost asset amortization	7,845	10,726
Operating income	223,270	188,271
Nonoperating expenses, net	(42,991)	(37,642)
Income before income taxes and equity in income of equity investments	180,279	150,629
Net revenue	980,270	935,497
Add: reimbursable items	54,261	51,673
Total revenues	1,034,531	987,170
Selling, general and administrative expenses
Segment Reporting
Share-based compensation	10,714	6,295
Issuer Solutions
Segment Reporting
Total revenues	470,159	457,359
Merchant Solutions
Segment Reporting
Total revenues	345,181	319,423
Consumer Solutions
Segment Reporting
Total revenues	219,191	210,388
Operating Segments
Segment Reporting
Net revenue	995,607	951,466
Operating Segments \| Issuer Solutions
Segment Reporting
Adjusted operating income	204,934	195,764
Net revenue	$ 433,473	$ 423,574
Operating margin on net revenue	47.30%	46.20%
Operating Segments \| Merchant Solutions
Segment Reporting
Adjusted operating income	$ 128,836	$ 118,940
Net revenue	$ 342,956	$ 317,403
Operating margin on net revenue	37.60%	37.50%
Operating Segments \| Consumer Solutions
Segment Reporting
Adjusted operating income	$ 63,693	$ 53,667
Net revenue	$ 219,178	$ 210,489
Operating margin on net revenue	29.10%	25.50%
Corporate Administration and Other \| Corporate administration and other.
Segment Reporting
Adjusted operating income	$ (40,176)	$ (37,449)
Intersegment
Segment Reporting
Net revenue	15,337	15,969
Segment Reconciling Items
Segment Reporting
Cayan and TransFirst merger & acquisition (M&A) and integration expenses2	$ 3,710	$ 14,367

The amount of adjusted Operating income calculated during the reporting period.

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Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments.

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