DERIVATIVES (INCOME STATEMENT CLASSIFICATION) (DETAILS) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Derivative Instruments, Gain (Loss) [Line Items]
Other income (expense), net	$ (722)	$ (965)	$ 154
Interest expense	7,513	6,696	5,118
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 - effective portion, net of tax:	(13,530)	18,627
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]
Revenue	7,973	4,638
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 - effective portion, net of tax:	(191)	(879)
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	(1,047)	(741)
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	(6,360)	4,667
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	$ 162	$ 278