Document and Entity Information
3 Months Ended
Aug. 31, 2013
Sep. 18, 2013
Document And Entity Information [Abstract]    
Entity Registrant Name GLOBAL PAYMENTS INC  
Entity Central Index Key 0001123360  
Current Fiscal Year End Date --05-31  
Entity Filer Category Large Accelerated Filer  
Document Type 10-Q  
Document Period End Date Aug. 31, 2013  
Document Fiscal Year Focus 2014  
Document Fiscal Period Focus Q1  
Amendment Flag false  
Entity Common Stock, Shares Outstanding (shares)   72,888,911