Goodwill and Intangible Assets (Changes in Carrying Amount of Goodwill, by Segment) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2022	Jun. 30, 2023
Goodwill [Line Items]
Goodwill beginning balance	$ 310,210
Acquisitions	651,052
Goodwill ending balance	961,262
Goodwill balance	961,262	$ 961,262
Chamberlain
Goodwill [Line Items]
Goodwill beginning balance	4,716
Goodwill ending balance	4,716
Goodwill balance	4,716	4,716
Walden University
Goodwill [Line Items]
Acquisitions	651,052
Goodwill ending balance	651,052
Goodwill balance	651,052	651,052
Medical and Veterinary
Goodwill [Line Items]
Goodwill beginning balance	305,494
Goodwill ending balance	305,494
Goodwill balance	$ 305,494	$ 305,494