Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Cash flows from operating activities:
Net income	$ 223,619	$ 164,156
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	203,537	172,552
Provisions for cardholder losses	27,587	25,216
Share-based compensation	20,055	20,724
Provisions for bad debt expenses and billing adjustments	4,906	2,938
Charges for transaction processing provisions	4,053	2,191
Amortization of debt issuance costs	2,163	11,451
Dividends received from equity investments	943	808
Loss (gain) on foreign currency	824	(1,469)
Amortization of bond discount	449	318
Loss on disposal of equipment, net	428	289
Excess tax benefit from share-based payment arrangements		(8,034)
Deferred income tax (benefit) expense	(18,191)	18,519
Equity in income of equity investments, net of tax	(22,422)	(12,224)
Changes in operating assets and liabilities, net of effects of acquisitions:
Accrued salaries and employee benefits	(27,160)	(27,554)
Accounts receivable	(12,090)	(28,384)
Prepaid expenses, other current assets and other long-term assets	845	(20,115)
Accounts payable	13,177	(17,473)
Other current liabilities and other long-term liabilities	(21,931)	35,172
Net cash provided by operating activities	400,792	339,081
Cash flows from investing activities:
Purchases of property and equipment	(26,739)	(20,669)
Additions to contract acquisition costs	(14,655)	(31,276)
Additions to internally developed computer software	(13,581)	(18,484)
Additions to licensed computer software from vendors	(10,568)	(11,379)
Cash used in acquisitions, net of cash acquired		(2,345,438)
Other investing activities	(759)	(1,730)
Net cash used in investing activities	(66,302)	(2,428,976)
Cash flows from financing activities:
Principal payments on long-term borrowings and, capital lease obligations and license agreements	(234,093)	(435,953)
Purchase of noncontrolling interest	(70,000)	(5,878)
Dividends paid on common stock	(36,734)	(36,622)
Subsidiary dividends paid to noncontrolling shareholders	(3,885)	(3,829)
Repurchase of common stock under plans and tax withholding	(24)	(5,034)
Debt issuance costs		(26,554)
Excess tax benefit from share-based payment arrangements		8,034
Proceeds from borrowings of long-term debt		2,666,295
Proceeds from exercise of stock options	8,987	9,737
Net cash provided by (used in) financing activities	(335,749)	2,170,196
Cash and cash equivalents:
Effect of exchange rate changes on cash and cash equivalents	3,494	(4,310)
Net increase in cash and cash equivalents	2,235	75,991
Cash and cash equivalents at beginning of period	425,354	389,328
Cash and cash equivalents at end of period	427,589	465,319
Supplemental cash flow information:
Interest paid	57,405	81,808
Income taxes paid, net	$ 121,620	$ 26,134