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Discontinued Operations (Additional Information) (Details) - USD ($) $ in Millions		3 Months Ended		39 Months Ended
	Dec. 11, 2018	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2024
Earn out received		$ 7.0	$ 5.5	$ 19.5
DeVry University
Earn out maximum	$ 20.0
Earn out term	10 years

X

- Definition

Amount of earn out received from the disposal group.

+ References

No definition available.

+ Details

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

X

- Definition

Represent the earn out maximum.

+ References

No definition available.

+ Details

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

X

- Definition

Represent the Earn out term.

+ References

No definition available.

+ Details

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

X

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: