Amount after 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.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
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Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 852
-SubTopic 10
-Section 55
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Name:	us-gaap_Goodwill
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Goodwill and Intangible Assets (Summary of Goodwill Balances by Reporting Unit) (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Jun. 30, 2021	Sep. 30, 2020
Goodwill [Line Items]
Goodwill	$ 1,328,928	$ 686,374	$ 686,480
Chamberlain University Segment [Member]
Goodwill [Line Items]
Goodwill	4,716	4,716	4,716
Walden University
Goodwill [Line Items]
Goodwill	642,554
AUC [Member]
Goodwill [Line Items]
Goodwill	68,321	68,321	68,321
RUSM and RUSVM [Member]
Goodwill [Line Items]
Goodwill	237,173	237,173	237,173
Financial Service [Member]
Goodwill [Line Items]
Goodwill	$ 376,164	$ 376,164	$ 376,270