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FAIR VALUE MEASUREMENTS - Additional Information (Detail) - USD ($) $ in Millions | Mar. 31, 2018 | Jun. 30, 2017 | Mar. 31, 2017
--- | --- | --- | ---
Accrued Liabilities |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Deferred Acquisition Obligations | $ 4.8 | $ 14.8 | $ 15.8
Deferred Rent and Other Liabilities [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Deferred Acquisition Obligations | $ 16.6 | $ 11.8 | $ 12.8

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