Goodwill and Intangible Assets (Schedule of Intangible Assets) (Details) - USD ($) $ in Thousands	6 Months Ended
	Dec. 31, 2022	Jun. 30, 2022	Dec. 31, 2021
Intangible Assets [Line Items]
Amortizable Intangible Assets, Gross Carrying Amount	$ 217,991	$ 217,991	$ 217,991
Amortizable Intangible Assets, Accumulated Amortization	(131,978)	(97,274)	(47,150)
Indefinite-lived Intangible Assets, Gross Carrying Amount	752,860	752,860	752,860
Student Relationships
Intangible Assets [Line Items]
Amortizable Intangible Assets, Gross Carrying Amount	161,900	161,900	161,900
Amortizable Intangible Assets, Accumulated Amortization	$ (116,551)	(87,457)	(42,943)
Amortizable Intangible Assets, Weighted Average Amortization Period	3 years
Curriculum
Intangible Assets [Line Items]
Amortizable Intangible Assets, Gross Carrying Amount	$ 56,091	56,091	56,091
Amortizable Intangible Assets, Accumulated Amortization	$ (15,427)	(9,817)	(4,207)
Amortizable Intangible Assets, Weighted Average Amortization Period	5 years
Walden trade name
Intangible Assets [Line Items]
Indefinite-lived Intangible Assets, Gross Carrying Amount	$ 119,560	119,560	119,560
AUC trade name
Intangible Assets [Line Items]
Indefinite-lived Intangible Assets, Gross Carrying Amount	17,100	17,100	17,100
Ross trade name
Intangible Assets [Line Items]
Indefinite-lived Intangible Assets, Gross Carrying Amount	5,100	5,100	5,100
Chamberlain Title IV eligibility and accreditations
Intangible Assets [Line Items]
Indefinite-lived Intangible Assets, Gross Carrying Amount	1,200	1,200	1,200
Walden Title IV eligibility and accreditations
Intangible Assets [Line Items]
Indefinite-lived Intangible Assets, Gross Carrying Amount	495,800	495,800	495,800
AUC Title IV eligibility and accreditations
Intangible Assets [Line Items]
Indefinite-lived Intangible Assets, Gross Carrying Amount	100,000	100,000	100,000
Ross Title IV eligibility and accreditations
Intangible Assets [Line Items]
Indefinite-lived Intangible Assets, Gross Carrying Amount	$ 14,100	$ 14,100	$ 14,100