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Fair Value Measurements (Details) $ in Thousands, R$ in Millions				3 Months Ended
	Jul. 31, 2019 USD ($)	Dec. 11, 2018 USD ($)	Dec. 11, 2018 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2020 USD ($)	Jun. 30, 2020 USD ($)	Apr. 24, 2020 BRL (R$)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term debt, gross				$ 420,500	$ 292,500	$ 294,000
Accounts Receivable \| Credit extension program
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans Receivable, Fair Value Disclosure				36,300	$ 30,600	34,300
DeVry University [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
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
DeVry University [Member] \| Discount rate \| Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt Instrument, Measurement Input					0.04
DeVry University [Member] \| Prepaid Expenses and Other Current Assets
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans Receivable, Fair Value Disclosure					$ 5,100
Chicago, Illinois Campus [Member] \| Discontinued Operations, Disposed of by Sale
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans Receivable, Fair Value Disclosure				40,800	$ 42,000	41,400
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
Chicago, Illinois Campus [Member] \| Discount rate \| Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt Instrument, Measurement Input					0.07
Adtalem Educational Do Brazil [Member] \| Discontinued Operations, Disposed of by Sale
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative notional amount \| R$							R$ 2,154
Loss on cash flow hedge				$ 28,000
Interest Rate Swap \| Other Liabilities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Asset					$ 9,600	$ 10,400