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Goodwill and Intangible Assets (Summary of Goodwill Balances by Reporting Unit) (Details) - USD ($) $ in Thousands | Jun. 30, 2023 | Jun. 30, 2022
--- | --- | ---
Goodwill [Line Items] |  |
Goodwill | $ 961,262 | $ 961,262
Chamberlain |  |
Goodwill [Line Items] |  |
Goodwill | 4,716 | 4,716
Walden |  |
Goodwill [Line Items] |  |
Goodwill | 651,052 | 651,052
AUC |  |
Goodwill [Line Items] |  |
Goodwill | 68,321 | 68,321
RUSM |  |
Goodwill [Line Items] |  |
Goodwill | 180,089 | 180,089
RUSVM |  |
Goodwill [Line Items] |  |
Goodwill | $ 57,084 | $ 57,084

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