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Document And Entity Information - USD ($)
 12 Months Ended
Jun. 30, 2017
Aug. 17, 2017
Dec. 31, 2016
Document Information [Line Items]      
Document Type 10-K    
Amendment Flag false    
Document Period End Date Jun. 30, 2017    
Document Fiscal Year Focus 2017    
Document Fiscal Period Focus FY    
Entity Registrant Name Adtalem Global Education Inc.    
Entity Central Index Key 0000730464    
Current Fiscal Year End Date --06-30    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Filer Category Large Accelerated Filer    
Entity Public Float     $ 1,929,518,906
Trading Symbol ATGE    
Entity Common Stock, Shares Outstanding   62,076,000