UNAUDITED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Feb. 28, 2014	Feb. 28, 2013
Cash flows from operating activities:
Net income	$ 211,686	$ 192,347
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization of property and equipment	43,645	40,856
Amortization of acquired intangibles	43,553	42,091
Share-based compensation expense	17,269	14,063
Provision for operating losses and bad debts	14,203	16,681
Deferred income taxes	3,103	27,282
Other, net	(1,006)	(3,692)
Changes in operating assets and liabilities, net of the effects of acquisitions:
Accounts receivable	14,442	17,706
Claims receivable	(9,145)	(9,235)
Settlement processing assets and obligations, net	(19,669)	(12,028)
Inventory	3,811	(1,535)
Prepaid expenses and other assets	18,980	(34,898)
Accounts payable and other accrued liabilities	(16,422)	(78,375)
Income taxes payable	(10,049)	(6,496)
Net cash provided by operating activities	314,401	204,767
Cash flows from investing activities:
Business, intangible and other asset acquisitions, net of cash acquired	(2,519)	(433,427)
Capital expenditures	(61,270)	(75,016)
Net decrease in financing receivables	1,997	2,158
Net proceeds from sales of investments and business	3,521	0
Net cash used in investing activities	(58,271)	(506,285)
Cash flows from financing activities:
Net borrowings (payments) on short-term lines of credit	74,594	(48,239)
Proceeds from issuance of long-term debt	2,390,000	1,085,327
Principal payments under long-term debt	(2,099,869)	(439,789)
Acquisition of redeemable noncontrolling interest	0	(242,000)
Payment of debt issuance costs	(5,961)	(3,987)
Repurchase of common stock	(258,562)	(137,653)
Proceeds from stock issued under share-based compensation plans	29,740	9,257
Common stock repurchased - share-based compensation plans	(5,682)	(10,215)
Tax benefit from share-based compensation plans	4,782	1,791
Distributions to noncontrolling interests	(33,744)	(13,656)
Dividends paid	(4,330)	(4,688)
Net cash provided by financing activities	90,968	196,148
Effect of exchange rate changes on cash	(14,008)	7,055
Increase (decrease) in cash and cash equivalents	333,090	(98,315)
Cash and cash equivalents, beginning of the period	680,470	781,275
Cash and cash equivalents, end of the period	$ 1,013,560	$ 682,960