DERIVATIVES (INCOME STATEMENT CLASSIFICATION) (DETAILS) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Derivative Instruments, Gain (Loss) [Line Items]
Interest expense	$ 1,861	$ 1,903	$ 3,551	$ 3,768
Other income (expense), net	4,249	1,884	5,250	1,076
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:	10,049	(12,956)	6,457	(8,744)
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	(1,472)	2,850	(3,043)	6,310
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:	(103)	155	(160)	42
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]
Revenues				(514)
Interest expense	(265)	(257)	(523)
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	(2,825)	(2,685)	(2,206)	(1,247)
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		$ 44	$ 116	$ 113