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FINANCING RECEIVABLES - Additional Information (Detail) - USD ($) $ in Millions | Mar. 31, 2018 | Jun. 30, 2017 | Mar. 31, 2017
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Nonperforming loan |  |  |
Financing Receivables [Line Items] |  |  |
Impaired Financing Receivable, with Related Allowance, Recorded Investment | $ 10.2 | $ 10.3 | $ 10.0
Impaired Financing Receivable, Related Allowance | 10.1 | 10.2 | 9.9
Accounts Receivable |  |  |
Financing Receivables [Line Items] |  |  |
Net Institutional Student Loans, classified as Accounts Receivable | 22.0 | 20.1 | 18.0
Other Assets |  |  |
Financing Receivables [Line Items] |  |  |
Net Institutional Student Loans, classified as Other Assets | $ 25.2 | $ 25.7 | $ 26.8

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