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Accounts Receivable and Credit Losses (Additional Information) (Details) - USD ($) $ in Thousands				3 Months Ended		12 Months Ended
	Jul. 31, 2019	Dec. 11, 2018	Dec. 11, 2018	Sep. 30, 2021	Sep. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Financing Receivables [Line Items]
Financing Receivable Allowance For Credit Losses				$ 17,064	$ 16,815	$ 16,832	$ 15,690
Minimum
Financing Receivables [Line Items]
Receivable with Imputed Interest, Effective Yield (Interest Rate)				3.00%
Maximum
Financing Receivables [Line Items]
Receivable with Imputed Interest, Effective Yield (Interest Rate)				12.00%
DeVry University [Member]
Financing Receivables [Line Items]
Financing Receivable Allowance For Credit Losses				$ 0
Receivable with Imputed Interest, Face Amount		$ 10,000	$ 10,000
Receivable with Imputed Interest, Effective Yield (Interest Rate)		4.00%	4.00%
Receivable with Imputed Interest, Due Date		Jan. 01, 2022	Jan. 01, 2022
Future Cash Flows Discounting Rate				4.00%
DeVry University [Member] | Other Assets
Financing Receivables [Line Items]
Loan Receivable					10,000
DeVry University [Member] | Prepaid Expenses and Other Current Assets
Financing Receivables [Line Items]
Loan Receivable				$ 10,000		10,000
Chicago, Illinois Campus [Member] | Other Noncurrent Assets
Financing Receivables [Line Items]
Loan Receivable				43,000	41,700	42,700
Chicago, Illinois Campus [Member] | Discontinued Operations, Disposed of by Sale
Financing Receivables [Line Items]
Financing Receivable Allowance For Credit Losses				0
Receivable with Imputed Interest, Face Amount	$ 46,800
Receivable with Imputed Interest, Effective Yield (Interest Rate)	4.00%
Receivable with Imputed Interest, Due Date	Jul. 31, 2024
Loan Receivable				$ 43,000	$ 41,700	$ 42,700
Future Cash Flows Discounting Rate				7.00%	7.00%	7.00%

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Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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