DERIVATIVES (Fair Value of Derivative Instruments) (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Other Current Assets
Fair values of derivative instruments
Fair value of derivative assets	$ 6,147	$ 7,022
Other Current Liabilities
Fair values of derivative instruments
Fair value of derivative liabilities	1,072	1,233
Other Noncurrent Assets [Member]
Fair values of derivative instruments
Fair value of derivative assets	2,682	302
Other Liabilities [Member]
Fair values of derivative instruments
Fair value of derivative liabilities	1,584	7,033
Designated as Hedging Instrument | Foreign exchange contracts | Other Current Assets
Fair values of derivative instruments
Fair value of derivative assets	676	647
Designated as Hedging Instrument | Foreign exchange contracts | Other Current Liabilities
Fair values of derivative instruments
Fair value of derivative liabilities	514	404
Designated as Hedging Instrument | Foreign exchange contracts | Other Noncurrent Assets [Member]
Fair values of derivative instruments
Fair value of derivative assets	0	0
Designated as Hedging Instrument | Foreign exchange contracts | Other Liabilities [Member]
Fair values of derivative instruments
Fair value of derivative liabilities	0	0
Designated as Hedging Instrument | Interest Rate Swap [Member] | Other Current Assets
Fair values of derivative instruments
Fair value of derivative assets	0	0
Designated as Hedging Instrument | Interest Rate Swap [Member] | Other Current Liabilities
Fair values of derivative instruments
Fair value of derivative liabilities	0	0
Designated as Hedging Instrument | Interest Rate Swap [Member] | Other Noncurrent Assets [Member]
Fair values of derivative instruments
Fair value of derivative assets	2,682	302
Designated as Hedging Instrument | Interest Rate Swap [Member] | Other Liabilities [Member]
Fair values of derivative instruments
Fair value of derivative liabilities	1,584	7,033
Not designated as hedging instruments | Foreign exchange contracts | Other Current Assets
Fair values of derivative instruments
Fair value of derivative assets	5,471	6,375
Not designated as hedging instruments | Foreign exchange contracts | Other Current Liabilities
Fair values of derivative instruments
Fair value of derivative liabilities	558	829
Not designated as hedging instruments | Foreign exchange contracts | Other Noncurrent Assets [Member]
Fair values of derivative instruments
Fair value of derivative assets	0	0
Not designated as hedging instruments | Foreign exchange contracts | Other Liabilities [Member]
Fair values of derivative instruments
Fair value of derivative liabilities	$ 0	$ 0