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FAIR VALUE MEASUREMENTS - Additional Information (Detail) - USD ($)
$ in Millions
12 Months Ended
Dec. 11, 2018
Jun. 30, 2019
Jun. 30, 2018
Accrued Liabilities [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Deferred Acquisition Obligations   $ 6.8 $ 4.3
Deferred Rent and Other Liabilities [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Deferred Acquisition Obligations   $ 9.6 $ 14.3
DeVry University [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Receivable with Imputed Interest, Face Amount $ 10.0    
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] | Notes Receivable [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Receivable with Imputed Interest, Face Amount   $ 10.0