DERIVATIVE FINANCIAL INSTRUMENTS AND HEDGING ACTIVITIES (Balance Sheet Location) (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Derivatives, Fair Value [Line Items]
Fair value, derivative asset	$ 35,997	$ 21,032
Fair value, derivative liability	(244)	(2,433)
Other current assets
Derivatives, Fair Value [Line Items]
Fair value, derivative asset	4,656	2,884
Other assets
Derivatives, Fair Value [Line Items]
Fair value, derivative asset	31,341	18,148
Other current liabilities
Derivatives, Fair Value [Line Items]
Fair value, derivative liability	(244)	(345)
Other non-current liabilities
Derivatives, Fair Value [Line Items]
Fair value, derivative liability	0	(2,088)
Designated as Hedging Instrument | Cash Flow Hedging | Foreign currency exchange contracts | Other current assets
Derivatives, Fair Value [Line Items]
Fair value, derivative asset	3,736	2,286
Designated as Hedging Instrument | Cash Flow Hedging | Foreign currency exchange contracts | Other assets
Derivatives, Fair Value [Line Items]
Fair value, derivative asset	304	538
Designated as Hedging Instrument | Cash Flow Hedging | Foreign currency exchange contracts | Other current liabilities
Derivatives, Fair Value [Line Items]
Fair value, derivative liability	(21)	(37)
Designated as Hedging Instrument | Cash Flow Hedging | Foreign currency option contracts | Other current assets
Derivatives, Fair Value [Line Items]
Fair value, derivative asset	572	389
Designated as Hedging Instrument | Cash Flow Hedging | Foreign currency option contracts | Other assets
Derivatives, Fair Value [Line Items]
Fair value, derivative asset	0	137
Designated as Hedging Instrument | Cash Flow Hedging | Foreign currency option contracts | Other current liabilities
Derivatives, Fair Value [Line Items]
Fair value, derivative liability	(68)	(119)
Designated as Hedging Instrument | Cash Flow Hedging | Foreign currency option contracts | Other non-current liabilities
Derivatives, Fair Value [Line Items]
Fair value, derivative liability	0	(55)
Designated as Hedging Instrument | Cash Flow Hedging | Interest rate swaps | Other assets
Derivatives, Fair Value [Line Items]
Fair value, derivative asset	31,037	17,473
Designated as Hedging Instrument | Cash Flow Hedging | Interest rate swaps | Other non-current liabilities
Derivatives, Fair Value [Line Items]
Fair value, derivative liability	0	(2,033)
Designated as Hedging Instrument | Net Investment Hedging | Foreign currency exchange contracts | Other current assets
Derivatives, Fair Value [Line Items]
Fair value, derivative asset	110	0
Not Designated as Hedging Instrument | Foreign currency exchange contracts | Other current assets
Derivatives, Fair Value [Line Items]
Fair value, derivative asset	238	209
Not Designated as Hedging Instrument | Foreign currency exchange contracts | Other current liabilities
Derivatives, Fair Value [Line Items]
Fair value, derivative liability	$ 155	$ (189)