Fair Value Measurements (Details) R$ in Millions, $ in Millions	3 Months Ended	9 Months Ended
Mar. 31, 2020 USD ($)	Mar. 31, 2020 USD ($)	Mar. 31, 2020 BRL (R$)
Derivatives, Fair Value [Line Items]
Gain on cash flow hedge	$ 111.8	$ 83.8
Adtalem Educacional Do Brasil [Member] \| Discontinued Operations, Disposed of by Sale
Derivatives, Fair Value [Line Items]
Derivative notional amount	415.0	415.0	R$ 2,154
Gain on cash flow hedge	111.8	83.8
Adtalem Educacional Do Brasil [Member] \| Discontinued Operations, Disposed of by Sale \| Prepaid Expenses and Other Current Assets
Derivatives, Fair Value [Line Items]
Derivative Asset	83.8	83.8
Term Loan [Member] \| Other Assets \| Interest Rate Swap
Derivatives, Fair Value [Line Items]
Derivative Asset	$ 0.6	$ 0.6

Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

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