DERIVATIVES (INCOME STATEMENT CLASSIFICATION) (DETAILS) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Derivative Instruments, Gain (Loss) [Line Items]
Interest expense	$ 1,690	$ 1,865
Other income (expense), net	1,001	(808)
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:	(3,592)	4,178
Designated as Hedging Instruments [Member] | Foreign Exchange [Member] | Cash Flow [Member] | Amount and Location of Net Gain or Loss Reclassified From Accumulated Other Comprehensive Income to Income [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Revenues	(1,570)	3,460
Designated as Hedging Instruments [Member] | Interest Rate [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:	(57)	(79)
Designated as Hedging Instruments [Member] | Interest Rate [Member] | Cash Flow [Member] | Amount and Location of Net Gain or Loss Reclassified From Accumulated Other Comprehensive Income to Income [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Interest expense	(258)	(257)
Not Designated as Hedging Instruments [Member] | Foreign Exchange [Member] | Fair Value [Member] | Amount and Location of Net Gain or Loss Recognized in Income Nondesignated Hedging Instruments [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Other income (expense), net	619	1,438
Not Designated as Hedging Instruments [Member] | Leases Derivative Contract [Member] | Embedded Derivative [Member] | Amount and Location of Net Gain or Loss Recognized in Income Nondesignated Hedging Instruments [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Cost of services		$ (69)