Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Cash flows from operating activities:
Net income	$ 284,325	$ 248,163
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	191,219	184,827
Share-based compensation	31,468	23,019
Provisions for fraud and other losses	29,621	29,923
Dividends received from equity investments	12,092	9,189
Provisions for bad debt expenses and billing adjustments	3,519	1,982
Charges for transaction processing provisions	3,471	5,081
Amortization of debt issuance costs	1,378	1,361
Net loss on foreign currency	468	1,715
Amortization of bond discount	297	286
Loss on disposal of equipment, net	4	27
Gain on disposal of subsidiaries		(87,013)
Changes in value of private equity investments	(3,448)	(239)
Excess tax benefit from share-based payment arrangements	(4,892)	(6,538)
Equity in income of equity investments	(15,309)	(11,831)
Deferred income tax benefit	(25,960)	(15,989)
Changes in operating assets and liabilities:
Accounts receivable	(55,911)	(50,450)
Prepaid expenses, other current assets and other long-term assets	1,356	(10,784)
Accrued salaries and employee benefits	5,589	(8,462)
Other current liabilities and other long-term liabilities	2,430	65,192
Accounts payable	(1,163)	10,655
Net cash provided by operating activities	460,554	390,114
Cash flows from investing activities:
Additions to contract acquisition costs	(50,971)	(66,540)
Purchases of property and equipment	(36,505)	(55,356)
Additions to internally developed computer software	(31,654)	(31,263)
Additions to licensed computer software from vendors	(17,052)	(14,497)
Purchase of private equity investments	(3,525)	(3,290)
Cash used in acquisitions, net of cash acquired	(750)	(38,584)
Proceeds from dispositions, net of expenses paid and cash disposed		45,002
Proceeds from sale of private equity investment	1,839
Net cash used in investing activities	(138,618)	(164,528)
Cash flows from financing activities:
Repurchase of common stock under plans and tax withholding	(83,635)	(120,894)
Dividends paid on common stock	(55,277)	(56,159)
Principal payments on long-term borrowings and capital lease obligations	(42,215)	(48,682)
Subsidiary dividends paid to noncontrolling shareholders	(3,796)	(6,369)
Purchase of noncontrolling interest		(37,500)
Proceeds from borrowings of long-term debt	1,912
Excess tax benefit from share-based payment arrangements	4,892	6,538
Proceeds from exercise of stock options	19,690	26,877
Net cash used in financing activities	(158,429)	(236,189)
Cash and cash equivalents:
Effect of exchange rate changes on cash and cash equivalents	(4,840)	(1,586)
Net increase (decrease) in cash and cash equivalents	158,667	(12,189)
Cash and cash equivalents at beginning of period	289,183	278,230
Cash and cash equivalents at end of period	447,850	266,041
Supplemental cash flow information:
Interest paid	21,994	30,736
Income taxes paid, net	$ 122,180	$ 96,050