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FAIR VALUE MEASUREMENTS - Additional Information (Detail) - USD ($) $ in Millions	Dec. 31, 2017	Jun. 30, 2017	Dec. 31, 2016
Accrued Liabilities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Deferred Acquisition Obligations	$ 4.0	$ 14.8	$ 15.1
Deferred Rent and Other Liabilities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Deferred Acquisition Obligations	$ 19.9	$ 11.8	$ 14.4

X

- Definition

Net amount of deferred acquisition costs as of the balance sheet date.

+ References

No definition available.

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X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Details

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X

- Details

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