XML 68 R59.htm IDEA: XBRL DOCUMENT v3.8.0.1

INTANGIBLE ASSETS (Summary of Indefinite-Lived Intangible Assets Balances by Reporting Unit) (Detail) - USD ($) $ in Thousands	Sep. 30, 2017	Jun. 30, 2017	Sep. 30, 2016
Indefinite-lived Intangible Assets [Line Items]
Indefinite-lived intangible assets balances	$ 363,607	$ 357,783	$ 360,295
Medical and Healthcare
Indefinite-lived Intangible Assets [Line Items]
Indefinite-lived intangible assets balances	137,500	137,500	137,500
Professional Education
Indefinite-lived Intangible Assets [Line Items]
Indefinite-lived intangible assets balances	67,812	67,812	67,812
Technology And Business
Indefinite-lived Intangible Assets [Line Items]
Indefinite-lived intangible assets balances	136,450	130,626	133,138
U.S. Traditional Postsecondary
Indefinite-lived Intangible Assets [Line Items]
Indefinite-lived intangible assets balances	$ 21,845	$ 21,845	$ 21,845

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

+ Details

Name:	us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=atge_MedicalAndHealthcareMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=atge_ProfessionalEducationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=atge_TechnologyAndBusinessMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=atge_UsTraditionalPostsecondaryMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: