Acquisitions (Additional Information) (Details) $ in Thousands		3 Months Ended	9 Months Ended
	Aug. 12, 2021 USD ($) item	Mar. 31, 2022 USD ($)	Mar. 31, 2023 USD ($)	Mar. 31, 2022 USD ($)	Jun. 30, 2022 USD ($)
Business Acquisition [Line Items]
Payments to acquire business			$ 0	$ 1,488,054
Long-term debt, gross		$ 1,253,333	708,283	1,253,333	$ 859,215
Senior Secured Notes Due 2028
Business Acquisition [Line Items]
Long-term debt, gross		800,000	404,950	800,000	405,882
Term B Loan
Business Acquisition [Line Items]
Long-term debt, gross		453,333	$ 303,333	453,333	$ 453,333
Walden University, LLC
Business Acquisition [Line Items]
Percentage of voting interests acquired	100.00%
Payments to acquire business	$ 1,488,100
Cash acquired from acquisition	$ 83,400
Minimum number of courses offered | item	100
Revenue		139,100		348,300
Net loss		$ 2,400		13,200
Acquisition costs				$ 22,300
Fair value of acquired accounts receivable	$ 22,100
Gross amount due under contracts	37,900
Expected uncollectible	15,800
Intangible assets	833,351
Walden University, LLC | Senior Secured Notes Due 2028
Business Acquisition [Line Items]
Long-term debt, gross	800,000
Walden University, LLC | Term B Loan
Business Acquisition [Line Items]
Long-term debt, gross	850,000
Walden University, LLC | Walden Title IV eligibility and accreditations
Business Acquisition [Line Items]
Intangible assets, indefinite lived	495,800
Walden University, LLC | Trade Name
Business Acquisition [Line Items]
Intangible assets	$ 119,600