SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)
 3 Months Ended
Mar. 31, 2015
Accounting Policies [Abstract]  
Components of accumulated other comprehensive income, net of tax
The following table summarizes the amounts reclassified out of accumulated other comprehensive income, net of tax, for the three months ended March 31, 2015 (in thousands):
 
December 31,
2014
 
(Decrease)/ Increase
 
Reclassification
Adjustments
 
March 31,
2015
Foreign currency translation adjustment
$
(2,933
)
 
$
(8,122
)
 
$
—

 
$
(11,055
)
Unrealized change in non-marketable securities
1,219

 
224

 
—

 
1,443

Unrealized change in cash flow hedges
1,102

 
3,573

 
(1,785
)
 
2,890

Total accumulated other comprehensive loss, net of tax
$
(612
)
 
$
(4,325
)
 
$
(1,785
)
 
$
(6,722
)