Goodwill and Intangible Assets (Summary of Indefinite-Lived Intangible Assets Balances by Reporting Segment) (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Jun. 30, 2024
Indefinite-lived Intangible Assets [Line Items]
Indefinite-lived intangible assets balances	$ 752,860	$ 752,860
Title IV eligibility and accreditations
Indefinite-lived Intangible Assets [Line Items]
Indefinite-lived intangible assets balances	611,100	611,100
Trade name
Indefinite-lived Intangible Assets [Line Items]
Indefinite-lived intangible assets balances	$ 141,760	$ 141,760

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.

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 350
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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