Goodwill and Intangible Assets (Summary of Goodwill Balances by Reporting Unit) (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Jun. 30, 2024
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