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FINANCING RECEIVABLES - Additional Information (Detail) - USD ($)
Jun. 30, 2018
Jun. 30, 2017
Accounts Receivable    
Financing Receivables [Line Items]    
Net Institutional Student Loans, classified as Accounts Receivable $ 21.2 $ 17.8
Other Assets    
Financing Receivables [Line Items]    
Net Institutional Student Loans, classified as Accounts Receivable $ 23.1 $ 21.8