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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.

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INCOME TAXES (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended
INCOME TAXES (Narrative) (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Mar. 31, 2017	Jan. 01, 2018	Dec. 31, 2017
Income Tax Disclosure [Abstract]
Effective tax rate (as a percent)	27.40%	63.10%
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative effect of adjustment				$ (69,732)
Deferred tax liabilities	$ (143,581)			$ (160,850)
Difference between Revenue Guidance in Effect before and after Topic 606 \| Accounting Standards Update 2014-09
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative effect of adjustment			$ 89,300
Deferred tax liabilities	$ 30,759		$ 19,600