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Summary of Significant Accounting Policies (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2024	Mar. 31, 2023
Business integration expense	$ 18,450	$ 11,346	$ 30,621	$ 35,702
Walden University, LLC
Business integration expense	$ 18,500	$ 11,300	$ 30,600	$ 35,700

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- Definition

Costs incurred to effect a business combination which have been expensed during the period. Such costs could include business integration costs, systems integration and conversion costs, and severance and other employee-related costs.

+ References

No definition available.

+ Details

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

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- Details

Name:	us-gaap_BusinessAcquisitionAxis=atge_WaldenUniversityLlcMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: