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Financial Instruments (Tables)
6 Months Ended
Jun. 30, 2016
Financial Instruments, Owned, at Fair Value [Abstract]  
Assets Measured at Fair Value on Recurring Basis
The following tables present information about our cash equivalents and marketable securities measured at fair value on a recurring basis as of June 30, 2016 and December 31, 2015 based on the three-tier fair value hierarchy (in thousands):
 
 
Fair Value Measurement at
June 30, 2016
Level 1
 
Level 2
 
Total
Description
 
 
 
 
 
Corporate bonds
$

 
$
88,441

 
$
88,441

Commercial paper

 
36,732

 
36,732

Agency securities

 
20,397

 
20,397

Asset-backed securities

 
19,032

 
19,032

U.S. treasury securities

 
14,748

 
14,748

Money market funds
$
14,025

 

 
14,025

Total
$
14,025

 
$
179,350

 
$
193,375

Included in cash and cash equivalents
 
 
 
 
$
35,620

Included in marketable securities
 
 
 
 
$
157,755

 
Fair Value Measurement at
December 31, 2015
Level 1
 
Level 2
 
Total
Description
 
 
 
 
 
Corporate bonds
$

 
$
31,761

 
$
31,761

Money market funds
21,338

 

 
21,338

Asset-backed securities

 
7,998

 
7,998

Commercial paper

 
5,992

 
5,992

U.S. treasury securities

 
4,001

 
4,001

Agency securities

 
1,998

 
1,998

Total
$
21,338

 
$
51,750

 
$
73,088

Included in cash and cash equivalents
 
 
 
 
$
21,338

Included in marketable securities
 
 
 
 
$
51,750

Schedule of Marketable Securities Classified by Contractual Maturity
The following table classifies our marketable securities by contractual maturity as of June 30, 2016 and December 31, 2015 (in thousands):
 
 
June 30,
2016
 
December 31,
2015
Due in one year or less
$
106,130

 
$
29,414

Due after one year
51,625

 
22,336

Total
$
157,755

 
$
51,750

Schedule of Derivative Instruments on Consolidated Balance Sheets
The following tables present information about derivative instruments on our consolidated balance sheets as of June 30, 2016 and December 31, 2015 (in thousands):
 
 
June 30, 2016
Asset Derivatives
 
Liability Derivatives
Derivative Instrument
Balance Sheet Location
 
Fair Value
(Level 2)
 
Balance Sheet Location
 
Fair Value
(Level 2)
Foreign currency forward contracts
Other current assets
 
$
963

 
Accrued liabilities
 
$
1,624

Foreign currency forward contracts
Other assets
 
34

 
Other liabilities
 
505

Total
 
 
$
997

 
 
 
$
2,129

 
December 31, 2015
Asset Derivatives
 
Liability Derivatives
Derivative Instrument
Balance Sheet Location
 
Fair Value
(Level 2)
 
Balance Sheet Location
 
Fair Value
(Level 2)
Foreign currency forward contracts
Other current assets
 
$
408

 
Accrued liabilities
 
$
1,081

Total
 
 
$
408

 
 
 
$
1,081

Schedule of Derivative Instruments on Statement of Operations
The following table presents information about our derivative instruments on the statement of operations for the three and six months ended June 30, 2016 (in thousands):
 
 
 
 
Three Months Ended June 30, 2016
 
Six Months Ended June 30, 2016
Hedging Instrument
Location of Gain (Loss) Reclassified into Earnings
 
Loss Recognized in AOCI
 
Gain Reclassified from AOCI into Earnings
 
Loss Recognized in AOCI
 
Loss Reclassified from AOCI into Earnings
Foreign currency forward contracts
Revenue, cost of revenue, operating expenses
 
$
(2,772
)
 
$
114

 
$
(425
)
 
$
(148
)
Total
 
 
$
(2,772
)
 
$
114

 
$
(425
)
 
$
(148
)