XML 51 R19.htm IDEA: XBRL DOCUMENT v2.4.0.8
Fair Value Measurements (Tables)
6 Months Ended
Jun. 30, 2014
Fair Value Measurements  
Schedule of assets and liabilities measured on a recurring basis, at fair value

The major categories of assets and liabilities measured on a recurring basis, at fair value, as of June 30, 2014 and December 31, 2013, are as follows (in thousands):

 

 

 

June 30, 2014

 

 

 

Level 1

 

Level 2

 

Level 3

 

Total

 

U.S. treasuries

 

$

123,684

 

$

 

$

 

$

123,684

 

Corporate debt

 

 

65,285

 

 

65,285

 

Government agency securities

 

 

63,196

 

 

63,196

 

 

 

 

December 31, 2013

 

 

 

Level 1

 

Level 2

 

Level 3

 

Total

 

U.S. treasuries

 

$

130,977

 

$

 

$

 

$

130,977

 

Corporate debt

 

 

77,601

 

 

77,601

 

Government agency securities

 

 

61,013

 

 

61,013

 

Commercial paper

 

 

11,947

 

 

11,947

 

Derivative instrument

 

 

907

 

 

907

 

Contingent consideration

 

 

 

(29,368

)

(29,368

)

 

Schedule of the reconciliation of the amount in Level 3

A reconciliation of the amount in Level 3 is as follows (in thousands):

 

 

 

Level 3

 

Balance as of December 31, 2013

 

$

(29,368

)

Addition of contingent consideration

 

 

Payment on contingent consideration, net of adjustment

 

 

Fair value adjustment of contingent consideration

 

29,368

 

Balance as of June 30, 2014

 

$