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Accumulated Other Comprehensive Income Accumulated Other Comprehensive Income (Tables)
 3 Months Ended
Mar. 31, 2017
Other Comprehensive Income (Loss), Net of Tax [Abstract]  
Reclassification from Accumulated Other Comprehensive Income (Loss)
The following table shows the impact on product revenue of reclassification adjustments from accumulated other comprehensive income resulting from hedged foreign currency transactions recorded by the Company for the three months ended March 31, 2017 and 2016 (in thousands). The gross reclassification adjustments increased product revenue for the three months ended March 31, 2016.
 
 
Three Months Ended
March 31,
 
 
2017
 
2016
 
 
 
 
 
Gross of tax reclassifications
 
$
—

 
$
1,626

Net of tax reclassifications
 
$
—

 
$
975
Schedule of Accumulated Other Comprehensive Income (Loss)
The following tables show the changes in accumulated other comprehensive income by component for the three months ended March 31, 2017 and 2016 (in thousands):
Three Months Ended March 31, 2017
 
 
Unrealized Gain on Investments
 
Foreign Currency Translation Adjustments
 
Unrealized Gain on Cash Flow Hedges
 
Accumulated Other Comprehensive Income
Beginning balance
 
$
—

 
$
2,101

 
$
681

 
$
2,782

Current-period change, net of tax
 
17

 
610

 
(559
)
 
68

Ending balance
 
$
17

 
$
2,711

 
$
122

 
$
2,850

 
 
 
 
 
 
 
 
 
Income tax expense (benefit) associated with current-period change
 
$
11

 
$
175

 
$
(373
)
 
$
(187
)
Three Months Ended March 31, 2016
 
 
Unrealized Gain (Loss) on Investments
 
Foreign Currency Translation Adjustments
 
Unrealized Gain on Cash Flow Hedges
 
Accumulated Other Comprehensive Income
Beginning balance
 
$
(8
)
 
$
1,675

 
$
5,975

 
$
7,642

Current-period change, net of tax
 
9

 
240

 
(387
)
 
(138
)
Ending balance
 
$
1

 
$
1,915

 
$
5,588

 
$
7,504

 
 
 
 
 
 
 
 
 
Income tax expense (benefit) associated with current-period change
 
$
6

 
$
(7
)
 
$
(251
)
 
$
(252
)