UNAUDITED CONSOLIDATED STATEMENTS OF INCOME (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Feb. 28, 2014	Feb. 28, 2013	Feb. 28, 2014	Feb. 28, 2013
Income Statement [Abstract]
Revenues	$ 616,452	$ 578,746	$ 1,880,259	$ 1,757,571
Operating expenses:
Cost of service	232,937	217,465	698,852	632,124
Sales, general and administrative	286,224	271,696	871,825	829,292
Processing system intrusion	0	(1,189)	(7,000)	8,311
Total costs and expenses	519,161	487,972	1,563,677	1,469,727
Operating income	97,291	90,774	316,582	287,844
Other income (expense):
Interest and other income	2,944	2,536	11,570	6,706
Interest and other expense	(16,457)	(7,063)	(32,361)	(25,217)
Total nonoperating income (expense)	(13,513)	(4,527)	(20,791)	(18,511)
Income before income taxes	83,778	86,247	295,791	269,333
Provision for income taxes	(23,657)	(23,433)	(84,105)	(76,986)
Net income	60,121	62,814	211,686	192,347
Less: Net income attributable to noncontrolling interests, net of income tax	(5,000)	(4,352)	(18,025)	(17,027)
Net income attributable to Global Payments	$ 55,121	$ 58,462	$ 193,661	$ 175,320
Earnings per share attributable to Global Payments:
Basic (in dollars per share)	$ 0.77	$ 0.75	$ 2.67	$ 2.24
Diluted (in dollars per share)	$ 0.76	$ 0.75	$ 2.65	$ 2.23