Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Cash flows from operating activities:
Net income	$ 441,497	$ 348,345
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	310,010	303,821
Provisions for cardholder losses	50,911	39,036
Share-based compensation	32,916	28,462
Provisions for bad debt expenses and billing adjustments	7,451	7,835
Charges for transaction processing provisions	4,694	5,719
Amortization of debt issuance costs	3,668	3,247
Dividends received from equity investments	24,921	20,589
(Gain) Loss on foreign currency	(295)	1,250
Amortization of bond discount	753	677
Loss on disposal of equipment, net	27	1,247
Deferred income tax expense (benefit)	21,173	(46,435)
Equity in income of equity investments, net of tax	(35,313)	(30,919)
Changes in operating assets and liabilities, net of effects of acquisitions:
Accounts receivable	(62,751)	(24,582)
Contract assets and contract liabilities	(4,824)	8,282
Contract cost assets	2,906
Prepaid expenses, other current assets and other long-term assets	15,684	12,118
Accounts payable	(3,760)	14,419
Accrued salaries and employee benefits	(26,199)	(10,315)
Other current liabilities and other long-term liabilities	(30,961)	(23,368)
Net cash provided by operating activities	752,508	659,428
Cash flows from investing activities:
Purchases of property and equipment	(77,841)	(42,572)
Additions to contract acquisition costs		(21,662)
Additions to internally developed computer software	(29,692)	(22,011)
Additions to licensed computer software from vendors	(32,496)	(23,114)
Cash used in acquisitions, net of cash acquired	(1,051,629)
Other investing activities	(5,670)	(1,436)
Net cash used in investing activities	(1,197,328)	(110,795)
Cash flows from financing activities:
Principal payments on long-term borrowings, capital lease obligations and license agreements	(2,807,187)	(415,788)
Purchase of noncontrolling interest	(126,000)	(70,000)
Dividends paid on common stock	(70,897)	(55,151)
Subsidiary dividends paid to noncontrolling shareholders	(3,778)	(5,216)
Repurchase of common stock under plans and tax withholding	(443)	(27,895)
Debt issuance costs	(16,004)
Proceeds from borrowings of long-term debt	3,477,000
Proceeds from exercise of stock options	31,024	15,499
Net cash provided by (used in) financing activities	483,715	(558,551)
Cash, cash equivalents and restricted cash:
Effect of exchange rate changes on cash, cash equivalents and restricted cash	(3,639)	5,589
Net increase in cash, cash equivalents and restricted cash	35,256	(4,329)
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Beginning Balance	451,370	425,810
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Ending Balance	486,626	421,481
Supplemental cash flow information:
Interest paid	113,099	93,151
Income taxes paid, net	$ 59,099	$ 194,435