Goodwill and Intangible Assets (Summary of Goodwill Balances by Reporting Unit) (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Jun. 30, 2022	Mar. 31, 2022
Goodwill [Line Items]
Goodwill	$ 961,262	$ 961,262	$ 961,262
Chamberlain
Goodwill [Line Items]
Goodwill	4,716	4,716	4,716
Walden University
Goodwill [Line Items]
Goodwill	651,052	651,052	651,052
AUC
Goodwill [Line Items]
Goodwill	68,321	68,321	68,321
RUSM and RUSVM
Goodwill [Line Items]
Goodwill	$ 237,173	$ 237,173	$ 237,173