Restructuring Charges (Restructuring and Related Costs) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2024	Mar. 31, 2023
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	$ 473	$ 1,278	$ 1,217	$ 17,706
Home Office and Other
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	279	804	1,614	6,380
Operating Segments [Member] | Chamberlain.
Restructuring Cost and Reserve [Line Items]
Restructuring Charges				818
Operating Segments [Member] | Walden
Restructuring Cost and Reserve [Line Items]
Restructuring Charges		53	(776)	3,174
Operating Segments [Member] | Medical and Veterinary
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	194	421	379	7,334
Real Estate and Other
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	473	938	1,177	16,362
Real Estate and Other | Home Office and Other
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	279	804	1,614	5,430
Real Estate and Other | Operating Segments [Member] | Chamberlain.
Restructuring Cost and Reserve [Line Items]
Restructuring Charges				818
Real Estate and Other | Operating Segments [Member] | Walden
Restructuring Cost and Reserve [Line Items]
Restructuring Charges		53	(776)	3,120
Real Estate and Other | Operating Segments [Member] | Medical and Veterinary
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	194	81	339	6,994
Termination Benefits
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	0	340	40	1,344
Termination Benefits | Home Office and Other
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	$ 0		0	950
Termination Benefits | Operating Segments [Member] | Walden
Restructuring Cost and Reserve [Line Items]
Restructuring Charges				54
Termination Benefits | Operating Segments [Member] | Medical and Veterinary
Restructuring Cost and Reserve [Line Items]
Restructuring Charges		$ 340	$ 40	$ 340