XML 90 R81.htm IDEA: XBRL DOCUMENT v3.22.0.1

Debt (Additional Information) (Details) - USD ($)							3 Months Ended					6 Months Ended
	Aug. 12, 2021	Jul. 29, 2021	Mar. 01, 2021	Feb. 12, 2021	Mar. 24, 2020	Apr. 13, 2018	Mar. 31, 2024	Dec. 31, 2021	Mar. 31, 2021	Dec. 31, 2020	Dec. 31, 2016	Dec. 31, 2021	Dec. 31, 2020	Jun. 30, 2021
Line of Credit Facility [Line Items]
Repayment of long-term debt												$ 291,000,000	$ 1,500,000
Line of Credit facility, initiation date						Apr. 13, 2018
Amortization of debt issuance costs												19,985,000	828,000
Interest Rate Swap
Line of Credit Facility [Line Items]
Gain (Loss) on Derivative Instruments, Net, Pretax								$ 0		$ 0		$ (4,525,000)	0
Interest Rate Swap | Interest Expense [Member]
Line of Credit Facility [Line Items]
Gain (Loss) on Derivative Instruments, Net, Pretax		$ (4,500,000)
Revolver [Member]
Line of Credit Facility [Line Items]
Maximum borrowing capacity	$ 400,000,000
Term									5 years
Revolver [Member] | LIBOR Floor [Member]
Line of Credit Facility [Line Items]
Basic spread rate												0.75%
Revolver [Member] | LIBOR Floor [Member] | Minimum
Line of Credit Facility [Line Items]
Basic spread rate												3.75%
Revolver [Member] | LIBOR Floor [Member] | Maximum
Line of Credit Facility [Line Items]
Basic spread rate												4.25%
Revolver [Member] | Alternate Base Rate [Member] | Minimum
Line of Credit Facility [Line Items]
Basic spread rate												2.75%
Revolver [Member] | Alternate Base Rate [Member] | Maximum
Line of Credit Facility [Line Items]
Basic spread rate												3.25%
Walden Title IV Letter Of Credit [Member]
Line of Credit Facility [Line Items]
Letters of credit outstanding								$ 84,000,000.0				$ 84,000,000.0
Annual fee percentage								4.25%				4.25%
Commitment fee percentage												0.25%
Undrawn amount on letters of credit								$ 316,000,000.0				$ 316,000,000.0
Fronting fee percentage								0.125%				0.125%
De Vry University Title IV Letter Of Credit [Member]
Line of Credit Facility [Line Items]
Letters of credit outstanding								$ 0		68,400,000	$ 68,400,000	$ 0	68,400,000	$ 68,400,000
Letter Of Credit Title Iv Disbursement Percentage											10.00%
Letter of credit, repayment period											5 years
Credit annual fee percentage reimbursement												2.00%
Prior Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Maximum borrowing capacity						$ 300,000,000
Line of credit facility, expiration date						Apr. 13, 2023
Long-term Line of Credit										0			0	0
Debt Issuance Costs Write-off								0		0		$ 6,000,000	0
Prior Revolving Credit Facility [Member] | Interest Expense [Member]
Line of Credit Facility [Line Items]
Debt Issuance Costs Write-off												$ 6,000,000.0
Prior Revolving Credit Facility [Member] | Base Rate [Member] | Minimum
Line of Credit Facility [Line Items]
Application rate, percentage									0.75%
Prior Revolving Credit Facility [Member] | Base Rate [Member] | Maximum
Line of Credit Facility [Line Items]
Application rate, percentage									1.75%
Prior Revolving Credit Facility [Member] | Eurocurrency Rate [Member] | Minimum
Line of Credit Facility [Line Items]
Application rate, percentage												1.75%
Prior Revolving Credit Facility [Member] | Eurocurrency Rate [Member] | Maximum
Line of Credit Facility [Line Items]
Application rate, percentage												2.75%
Term Loan B
Line of Credit Facility [Line Items]
Debt instrument, face amount				$ 850,000,000
Debt Instrument, Issuance Price, Percent Of Principal Amount	99.00%
Debt Instrument, Issuance Discount, Percent	1.00%
Asset sale or disposition period												1 year
Asset sale or disposition investments												$ 20,000,000
Mandatory prepayment terms												0
Bridge
Line of Credit Facility [Line Items]
Debt Issuance Costs Write-off								$ 0		$ 0		10,329,000	$ 0
Bridge | Interest Expense [Member]
Line of Credit Facility [Line Items]
Debt Issuance Costs Write-off												$ 10,300,000
Senior Secured Notes Due 2028 And Term B Loan [Member]
Line of Credit Facility [Line Items]
Term									7 years
Cap percentage												20.00%
Senior Secured Notes Due 2028 And Term B Loan [Member] | Scenario, Plan [Member]
Line of Credit Facility [Line Items]
Total net leverage ratio							3.25%	4.00%
Senior Secured Notes Due 2028 [Member]
Line of Credit Facility [Line Items]
Debt instrument, face amount			$ 800,000,000
Fixed interest rate			5.50%
Percentage of notes issued on par value			100.00%
Redemption price, percentage of principal amount redeemed			100.00%
Debt covenant, percentage of principal amount of notes outstanding			25.00%
Senior Secured Notes Due 2028 [Member] | Accrued Liabilities
Line of Credit Facility [Line Items]
Debt Instrument, Accrued Interest								$ 14,700,000				$ 14,700,000		14,700,000
Senior Secured Notes Due 2028 [Member] | 2024
Line of Credit Facility [Line Items]
Redemption price, percentage of principal amount redeemed			102.75%
Senior Secured Notes Due 2028 [Member] | 2025
Line of Credit Facility [Line Items]
Redemption price, percentage of principal amount redeemed			101.375%
Senior Secured Notes Due 2028 [Member] | 2026
Line of Credit Facility [Line Items]
Redemption price, percentage of principal amount redeemed			100.00%
Senior Secured Notes Due 2028 [Member] | Prior to March 1,2024
Line of Credit Facility [Line Items]
Redemption price percentage			105.50%
Senior Secured Notes Due 2028 [Member] | Maximum | Prior to March 1,2024
Line of Credit Facility [Line Items]
Redemption price, percentage of principal amount redeemed			40.00%
Term B Loan [Member]
Line of Credit Facility [Line Items]
Debt instrument, face amount	$ 850,000,000
Fixed interest rate								5.25%				5.25%
Debt Instrument, Ticking Fee, Term				30 days
Debt Instrument, Ticking Fee, Percent				50.00%
Basic spread rate				4.50%
Principal payment	$ 2,125,000
Term B Loan [Member] | Accrued Liabilities
Line of Credit Facility [Line Items]
Accrued Ticking Fees														$ 11,300,000
Term B Loan [Member] | LIBOR Floor [Member]
Line of Credit Facility [Line Items]
Basic spread rate	0.75%			0.75%
Term B Loan [Member] | Alternate Base Rate [Member] | Minimum
Line of Credit Facility [Line Items]
Basic spread rate	3.00%
Term B Loan [Member] | Alternate Base Rate [Member] | Maximum
Line of Credit Facility [Line Items]
Basic spread rate	3.50%
Term B Loan [Member] | LIBOR
Line of Credit Facility [Line Items]
Basic spread rate				4.50%
Term B Loan [Member] | Eurocurrency Rate [Member] | Minimum
Line of Credit Facility [Line Items]
Basic spread rate	4.00%
Term B Loan [Member] | Eurocurrency Rate [Member] | Maximum
Line of Credit Facility [Line Items]
Basic spread rate	4.50%
Prior Term Loan B [Member]
Line of Credit Facility [Line Items]
Debt instrument, face amount						$ 300,000,000
Repayment of long-term debt	$ 291,000,000.0
Principal payment						$ 750,000
Interest rate for borrowings under the Term B Loan facility										3.15%			3.15%	3.10%
Debt instrument, maturity date						Apr. 13, 2025
Prior Term Loan B [Member] | Base Rate [Member]
Line of Credit Facility [Line Items]
Basic spread rate												2.00%
Debt instrument, description of variable rate basis												base rate plus 2%
Prior Term Loan B [Member] | Eurocurrency Rate [Member]
Line of Credit Facility [Line Items]
Basic spread rate					3.00%							3.00%
Debt instrument, description of variable rate basis												LIBOR-equivalent rate plus 3%
Prior Term Loan B [Member] | Interest Rate Swap
Line of Credit Facility [Line Items]
Derivative, Fixed Interest Rate					0.946%
Derivative, Swaption Interest Rate								3.946%				3.946%
Prior Term Loan B [Member] | Interest Rate Swap | LIBOR
Line of Credit Facility [Line Items]
Debt instrument, description of variable rate basis					one-month LIBOR
Prior Term Loan B [Member] | Interest Rate Swap | LIBOR | Minimum
Line of Credit Facility [Line Items]
Derivative, Floor Interest Rate					0.00%

X

- Definition

The amount of accrued fees incurred as at the end of the reporting period.

+ References

No definition available.

+ Details

Name:	atge_AccruedTickingFees
Namespace Prefix:	atge_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

The period within which the cash proceeds from assets sale or disposition should be reinvested.

+ References

No definition available.

+ Details

Name:	atge_AssetSaleOrDispositionPeriodForReinvestmentOfProceedsInAssets
Namespace Prefix:	atge_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Percentage of principal amount of notes outstanding related to debt covenant.

+ References

No definition available.

+ Details

Name:	atge_DebtCovenantPercentageOfPrincipalAmountOfNotesOutstanding
Namespace Prefix:	atge_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The amount of accrued interest on debt instrument for the period.

+ References

No definition available.

+ Details

Name:	atge_DebtInstrumentAccruedInterest
Namespace Prefix:	atge_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Represents the ratio of consolidated adjusted earnings before interest, taxes, depreciation and amortization to interest expense, which is necessary to be maintained under the terms of the senior credit facilities' covenants.

+ References

No definition available.

+ Details

Name:	atge_DebtInstrumentCovenantConsolidatedInterestCoverageRatio
Namespace Prefix:	atge_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Represents the ratio of consolidated total debt to consolidated adjusted earnings before, interest, taxes, depreciation and amortization allowed under the terms of the senior credit facilities' covenants.

+ References

No definition available.

+ Details

Name:	atge_DebtInstrumentCovenantConsolidatedLeverageRatio
Namespace Prefix:	atge_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Percent of debt discount.

+ References

No definition available.

+ Details

Name:	atge_DebtInstrumentIssuanceDiscountPercent
Namespace Prefix:	atge_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Issuance price of debt instrument as a percent of principal amount.

+ References

No definition available.

+ Details

Name:	atge_DebtInstrumentIssuancePricePercentOfPrincipalAmount
Namespace Prefix:	atge_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The amount of mandatory prepayments of debt instrument.

+ References

No definition available.

+ Details

Name:	atge_DebtInstrumentMandatoryPrepayments
Namespace Prefix:	atge_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Debt instrument accruing ticking fees as a percent of margin.

+ References

No definition available.

+ Details

Name:	atge_DebtInstrumentTickingFeePercent
Namespace Prefix:	atge_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Term debt instrument term ticking fees accrue.

+ References

No definition available.

+ Details

Name:	atge_DebtInstrumentTickingFeeTerm
Namespace Prefix:	atge_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Represents the annual fee percentage on letter of credit.

+ References

No definition available.

+ Details

Name:	atge_LetterOfCreditAnnualFeePercentage
Namespace Prefix:	atge_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Represent the letter of credit annual fee percentage reimbursement.

+ References

No definition available.

+ Details

Name:	atge_LetterOfCreditAnnualFeePercentageReimbursement
Namespace Prefix:	atge_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Represents the fronting fee percentage on letter of credit.

+ References

No definition available.

+ Details

Name:	atge_LetterOfCreditFrontingFeePercentage
Namespace Prefix:	atge_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Repayment period for letter of credit, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	atge_LetterOfCreditRepaymentPeriod
Namespace Prefix:	atge_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Percentage of letter of credit disbursements.

+ References

No definition available.

+ Details

Name:	atge_LetterOfCreditTitleIvDisbursementPercentage
Namespace Prefix:	atge_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Percentage of notes issued on par value.

+ References

No definition available.

+ Details

Name:	atge_PercentageOfNotesIssuedOnParValue
Namespace Prefix:	atge_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The threshold amount of asset sale or disposition, for reinvestment in assets within one year.

+ References

No definition available.

+ Details

Name:	atge_ThresholdAmountOfAssetSaleOrDispositionForReinvestmentOfProceedsInAssets
Namespace Prefix:	atge_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Amount of amortization expense attributable to debt issuance costs.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(8))
-URI http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 1F
-Subparagraph (b)(2)
-URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495355-112611

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=124435984&loc=d3e28555-108399

+ Details

Name:	us-gaap_AmortizationOfFinancingCosts
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Description of reference rate used for variable rate of debt instrument.

+ References

No definition available.

+ Details

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

X

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 1B
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=124435984&loc=d3e28551-108399

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=124429444&loc=SL124452920-239629

Reference 5: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 55
-Paragraph 69C
-URI http://asc.fasb.org/extlink&oid=123466577&loc=SL123495737-112612

Reference 6: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 55
-Paragraph 69B
-URI http://asc.fasb.org/extlink&oid=123466577&loc=SL123495735-112612

+ Details

Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 6
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123466204&loc=SL6036836-161870

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=124435984&loc=d3e28551-108399

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=124429444&loc=SL124452920-239629

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

Name:	us-gaap_DebtInstrumentInterestRateEffectivePercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 1B
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Date when the debt instrument is scheduled to be fully repaid, in YYYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(2))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 1B
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258

+ Details

Name:	us-gaap_DebtInstrumentMaturityDate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of the required periodic payments applied to principal.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22)
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

Name:	us-gaap_DebtInstrumentPeriodicPaymentPrincipal
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-Subparagraph e
-URI http://asc.fasb.org/extlink&oid=123599511&loc=d3e64711-112823

+ Details

Name:	us-gaap_DebtInstrumentRedemptionPricePercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Percentage of principal amount of debt redeemed.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Fixed interest rate related to the interest rate derivative.

+ References

No definition available.

+ Details

Name:	us-gaap_DerivativeFixedInterestRate
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Floor rate on an interest rate derivative such as an interest rate floor or collar. If market rates falls below the floor rate, a payment or receipt is triggered on the contract.

+ References

No definition available.

+ Details

Name:	us-gaap_DerivativeFloorInterestRate
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Fixed interest rate that will be received or paid upon exercise of the interest rate swaption contract.

+ References

No definition available.

+ Details

Name:	us-gaap_DerivativeSwaptionInterestRate
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4A
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5618551-113959

+ Details

Name:	us-gaap_GainLossOnDerivativeInstrumentsNetPretax
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

Name:	us-gaap_LettersOfCreditOutstandingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(16))
-URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910

+ Details

Name:	us-gaap_LineOfCredit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Date the credit facility terminates, in YYYY-MM-DD format.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

Name:	us-gaap_LineOfCreditFacilityExpirationDate1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Date the credit facility first became available, in YYYY-MM-DD format.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

Name:	us-gaap_LineOfCreditFacilityInitiationDate1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The effective interest rate during the reporting period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

Name:	us-gaap_LineOfCreditFacilityInterestRateDuringPeriod
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

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

X

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

Name:	us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

+ Details

Name:	us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3291-108585

+ Details

Name:	us-gaap_RepaymentsOfLongTermDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.8)
-URI http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227

+ Details

Name:	us-gaap_WriteOffOfDeferredDebtIssuanceCost
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateSwapMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_IncomeStatementLocationAxis=us-gaap_InterestExpenseMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_VariableRateAxis=atge_LiborFloorMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_VariableRateAxis=atge_AlternateBaseRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_CreditFacilityAxis=atge_WaldenTitleIvLetterOfCreditMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_CreditFacilityAxis=atge_DeVryUniversityTitleIvLetterOfCreditMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_CreditFacilityAxis=atge_PriorRevolvingCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_BaseRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_VariableRateAxis=atge_EurocurrencyRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_CreditFacilityAxis=atge_SeniorSecuredTermLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_CreditFacilityAxis=atge_BridgeFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtInstrumentAxis=atge_SeniorSecuredNotesDue2028AndTermBLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementScenarioAxis=us-gaap_ScenarioPlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtInstrumentAxis=atge_SeniorSecuredNotesDue2028Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_BalanceSheetLocationAxis=us-gaap_AccruedLiabilitiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtInstrumentRedemptionPeriodAxis=us-gaap_DebtInstrumentRedemptionPeriodOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtInstrumentRedemptionPeriodAxis=us-gaap_DebtInstrumentRedemptionPeriodTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtInstrumentRedemptionPeriodAxis=us-gaap_DebtInstrumentRedemptionPeriodThreeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtInstrumentRedemptionPeriodAxis=us-gaap_DebtInstrumentRedemptionPeriodFourMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtInstrumentAxis=atge_TermLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtInstrumentAxis=atge_PriorTermLoanBMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: