LONG-TERM DEBT - Aeroleo (Details) $ in Millions	12 Months Ended
Dec. 31, 2017 USD ($)
Tax Disputes \| Brazil \| Aeroleo
Debt Instrument [Line Items]
Amount due to taxing authority	$ 3.0

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.

No definition available.

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Period Type:	duration