SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2015
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]  
Total accumulated other comprehensive income, net of tax, beginning balance $ (612)
(Decrease)/ Increase (4,325)
Reclassification Adjustments (1,785)
Total accumulated other comprehensive income, net of tax, ending balance (6,722)
Foreign currency translation adjustment [Member]  
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]  
Total accumulated other comprehensive income, net of tax, beginning balance (2,933)
(Decrease)/ Increase (8,122)
Reclassification Adjustments 0
Total accumulated other comprehensive income, net of tax, ending balance (11,055)
Unrealized change in non-marketable securities [Member]  
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]  
Total accumulated other comprehensive income, net of tax, beginning balance 1,219
(Decrease)/ Increase 224
Reclassification Adjustments 0
Total accumulated other comprehensive income, net of tax, ending balance 1,443
Unrealized change in cash flow hedges [Member]  
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]  
Total accumulated other comprehensive income, net of tax, beginning balance 1,102
(Decrease)/ Increase 3,573
Reclassification Adjustments (1,785)
Total accumulated other comprehensive income, net of tax, ending balance $ 2,890