DERIVATIVE FINANCIAL INSTRUMENTS AND HEDGING ACTIVITIES - Balance Sheet Location (Details) - USD ($) $ in Thousands		Jun. 30, 2015	Dec. 31, 2014
Derivatives, Fair Value [Line Items]
Fair value, derivative asset	[1]	$ 2,884	$ 688
Fair value, derivative liability	[1]	(15,374)	(9,377)
Prepaid and other current assets [Member]
Derivatives, Fair Value [Line Items]
Fair value, derivative asset	[1]	2,884	431
Other assets [Member]
Derivatives, Fair Value [Line Items]
Fair value, derivative asset	[1]	0	257
Other current liabilities [Member]
Derivatives, Fair Value [Line Items]
Fair value, derivative liability	[1]	(5,811)	(1,934)
Other non-current liabilities [Member]
Derivatives, Fair Value [Line Items]
Fair value, derivative liability	[1]	(9,563)	(7,443)
Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | Foreign currency exchange contracts [Member] | Prepaid and other current assets [Member]
Derivatives, Fair Value [Line Items]
Fair value, derivative asset	[1]	0	132
Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | Foreign currency exchange contracts [Member] | Other assets [Member]
Derivatives, Fair Value [Line Items]
Fair value, derivative asset	[1]	0	59
Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | Foreign currency exchange contracts [Member] | Other current liabilities [Member]
Derivatives, Fair Value [Line Items]
Fair value, derivative liability	[1]	(2,197)	(272)
Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | Foreign currency exchange contracts [Member] | Other non-current liabilities [Member]
Derivatives, Fair Value [Line Items]
Fair value, derivative liability	[1]	(639)	0
Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | Foreign currency option contracts [Member] | Prepaid and other current assets [Member]
Derivatives, Fair Value [Line Items]
Fair value, derivative asset	[1]	0	299
Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | Foreign currency option contracts [Member] | Other assets [Member]
Derivatives, Fair Value [Line Items]
Fair value, derivative asset	[1]	0	198
Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | Foreign currency option contracts [Member] | Other current liabilities [Member]
Derivatives, Fair Value [Line Items]
Fair value, derivative liability	[1]	(3,614)	(1,439)
Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | Foreign currency option contracts [Member] | Other non-current liabilities [Member]
Derivatives, Fair Value [Line Items]
Fair value, derivative liability	[1]	(653)	(196)
Designated as Hedging Instrument [Member] | Net Investment Hedging [Member] | Foreign currency exchange contracts [Member] | Prepaid and other current assets [Member]
Derivatives, Fair Value [Line Items]
Fair value, derivative asset	[1]	2,884	0
Designated as Hedging Instrument [Member] | Net Investment Hedging [Member] | Foreign currency exchange contracts [Member] | Other current liabilities [Member]
Derivatives, Fair Value [Line Items]
Fair value, derivative liability	[1]	0	(223)
Not Designated as Hedging Instrument [Member] | Interest rate swaps [Member] | Other current liabilities [Member]
Derivatives, Fair Value [Line Items]
Fair value, derivative liability	[1]	$ (8,271)	$ (7,247)

[1] See Note 10 — Fair Value Measurements for further information on the fair value of the Company’s derivatives including their classification within the fair value hierarchy.