XML 90 R75.htm IDEA: XBRL DOCUMENT
v3.10.0.1

INTANGIBLE ASSETS (Summary of Indefinite-Lived Intangible Assets Balances by Reporting Segment) (Detail) - USD ($) $ in Thousands | Jun. 30, 2018 | Jun. 30, 2017
--- | --- | ---
Indefinite-lived Intangible Assets [Line Items] |  |
Indefinite-lived intangible assets balances | $ 317,950 | $ 335,938
Medical and Healthcare |  |
Indefinite-lived Intangible Assets [Line Items] |  |
Indefinite-lived intangible assets balances | 137,500 | 137,500
Professional Education [Member] |  |
Indefinite-lived Intangible Assets [Line Items] |  |
Indefinite-lived intangible assets balances | 69,126 | 67,812
Technology And Business |  |
Indefinite-lived Intangible Assets [Line Items] |  |
Indefinite-lived intangible assets balances | $ 111,324 | $ 130,626

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://fasb.org/us-gaap/role/ref/legacyRef -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: |