INTERIM FINANCIAL STATEMENTS - Additional Information (Detail)	Sep. 30, 2018
Adtalem Brazil [Member]
Noncontrolling Interest, Ownership Percentage by Parent	97.90%
Edupristine [Member]
Noncontrolling Interest, Ownership Percentage by Parent	69.00%

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

No definition available.

Name:	us-gaap_MinorityInterestOwnershipPercentageByParent
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant