DERIVATIVES (INCOME STATEMENT CLASSIFICATION) (DETAILS) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Derivative Instruments, Gain (Loss) [Line Items]
Interest expense	$ 1,646	$ 1,799	$ 5,197	$ 5,567
Other income (expense), net	248	427	5,498	1,503
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:	(11,271)	(476)	(4,814)	(9,254)
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	248	917	(2,795)	7,227
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:	26	(154)	(134)	(78)
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	(267)	(264)	(790)	(778)
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	3,708	(2,373)	1,502	(3,620)
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		$ 18	$ 116	$ 131