Goodwill and Intangible Assets (Schedule of Intangible Assets) (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2022	Jun. 30, 2022	Sep. 30, 2021
Intangible Assets [Line Items]
Amortizable Intangible Assets, Gross Carrying Amount	$ 217,991	$ 217,991	$ 217,991
Amortizable Intangible Assets, Accumulated Amortization	(115,802)	(97,274)	(16,451)
Indefinite-lived Intangible Assets, Gross Carrying Amount	752,860	752,860	752,860
Customer Relationships [Member]
Intangible Assets [Line Items]
Amortizable Intangible Assets, Gross Carrying Amount	161,900	161,900	161,900
Amortizable Intangible Assets, Accumulated Amortization	$ (103,180)	(87,457)	(15,049)
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	$ (12,622)	(9,817)	(1,402)
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