FAIR VALUE MEASUREMENTS AND FINANCIAL INSTRUMENTS (Details 2) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Carrying Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt, net of current maturities	$ (1,000,000)	$ (1,080,000)
Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt, net of current maturities	$ (990,050)	$ (1,099,813)

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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