Acquisitions (Additional Information) (Details) $ in Thousands		3 Months Ended
	Aug. 12, 2021 USD ($) item	Sep. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)	Jun. 30, 2022 USD ($)
Business Acquisition [Line Items]
Payments to acquire business		$ 0	$ 1,481,789
Long-term debt, gross		758,283	1,650,000	$ 859,215
Senior Secured Notes Due 2028
Business Acquisition [Line Items]
Long-term debt, gross		$ 404,950	800,000	$ 405,882
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			68,600
Net loss			9,200
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 | Term Loan B
Business Acquisition [Line Items]
Long-term debt, gross	850,000
Walden University, LLC | Senior Secured Notes Due 2028
Business Acquisition [Line Items]
Long-term debt, gross	800,000
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