DERIVATIVES (INCOME STATEMENT CLASSIFICATION) (DETAILS) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Derivative Instruments, Gain (Loss) [Line Items]
Interest Expense.	$ 7,943	$ 7,538	$ 6,946
Other nonoperating income expense	9,555	2,157	$ 9,161
Designated as Hedging Instruments [Member] | Foreign Exchange [Member] | Cash Flow [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain or (loss) recognized in other comprehensive income (loss) - effective portion, net of tax:	(16,438)	(7,198)
Designated as Hedging Instruments [Member] | Foreign Exchange [Member] | Cash Flow [Member] | Reclassification from accumulated other comprehensive income | Revenue
Derivative Instruments, Gain (Loss) [Line Items]
Revenues	(28,025)	(12,410)
Designated as Hedging Instruments [Member] | Interest Rate | Cash Flow [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain or (loss) recognized in other comprehensive income (loss) - effective portion, net of tax:	(312)	(611)
Designated as Hedging Instruments [Member] | Interest Rate | Cash Flow [Member] | Reclassification from accumulated other comprehensive income | Interest Expense
Derivative Instruments, Gain (Loss) [Line Items]
Interest Expense.	(534)	(1,053)
Not Designated as Hedging Instruments [Member] | Foreign Exchange [Member] | Fair Value [Member] | Reclassification from accumulated other comprehensive income | Other income (expense), net
Derivative Instruments, Gain (Loss) [Line Items]
Other nonoperating income expense	$ (5,826)	$ (6,127)