XML 72 R63.htm IDEA: XBRL DOCUMENT
v3.10.0.1

INTANGIBLE ASSETS (Changes in Carrying Amount of Goodwill, by Segment) (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2018 | Sep. 30, 2017 | Jun. 30, 2018
Goodwill [Line Items] |  |  |
Goodwill beginning balance | $ 813,887 | $ 829,086 | $ 838,669
Acquisitions |  |  | 17,163
Foreign exchange rate changes | (8,602) | 9,583 | (41,945)
Goodwill ending balance | 805,285 | 838,669 | 813,887
Medical And Healthcare [Member] |  |  |
Goodwill [Line Items] |  |  |
Goodwill beginning balance | 310,210 | 310,210 | 310,210
Acquisitions |  |  | 0
Foreign exchange rate changes | 0 | 0 | 0
Goodwill ending balance | 310,210 | 310,210 | 310,210
Professional Education [Member] |  |  |
Goodwill [Line Items] |  |  |
Goodwill beginning balance | 317,699 | 306,653 | 306,776
Acquisitions |  |  | 11,527
Foreign exchange rate changes | (670) | 123 | (604)
Goodwill ending balance | 317,029 | 306,776 | 317,699
Technology And Business [Member] |  |  |
Goodwill [Line Items] |  |  |
Goodwill beginning balance | 185,978 | 212,223 | 221,683
Acquisitions |  |  | 5,636
Foreign exchange rate changes | (7,932) | 9,460 | (41,341)
Goodwill ending balance | $ 178,046 | $ 221,683 | $ 185,978

X
- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267 + Details
Name: | us-gaap_GoodwillAcquiredDuringPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267 + Details
Name: | us-gaap_GoodwillForeignCurrencyTranslationGainLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount before accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267 + Details
Name: | us-gaap_GoodwillGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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_GoodwillLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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: |