Schedule of Assets at Fair Value on Recurring Basis |
Assets carried at fair value are categorized into one of the three
categories described above and consisted of the following (in
thousands):
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March 31, 2018 |
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December 31, 2017 |
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Fair Value |
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Level 1 |
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Level 2 |
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Level 3 |
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Fair Value |
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Level 1 |
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Level 2 |
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Level 3 |
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Assets held in rabbi trust
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$ |
8,756 |
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$ |
— |
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$ |
8,756 |
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$ |
— |
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$ |
8,787 |
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$ |
— |
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$ |
8,787 |
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$ |
— |
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Cash equivalents (1):
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Commercial paper
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$ |
7,945 |
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$ |
— |
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$ |
7,945 |
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$ |
— |
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$ |
11,441 |
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$ |
— |
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$ |
11,441 |
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$ |
— |
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Money market funds
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165,027 |
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165,027 |
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— |
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— |
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157,788 |
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157,788 |
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— |
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— |
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$ |
172,972 |
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$ |
165,027 |
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$ |
7,945 |
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$ |
— |
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$ |
169,229 |
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$ |
157,788 |
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$ |
11,441 |
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$ |
— |
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Marketable securities, available-for-sale:
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Short-term investments:
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U.S. treasuries
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$ |
72,173 |
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$ |
72,173 |
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$ |
— |
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$ |
— |
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$ |
57,624 |
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$ |
57,624 |
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$ |
— |
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$ |
— |
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U.S. government sponsored entities
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10,501 |
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— |
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10,501 |
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— |
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7,008 |
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— |
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7,008 |
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— |
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Corporate debt securities
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12,152 |
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— |
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12,152 |
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— |
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8,928 |
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— |
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8,928 |
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— |
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$ |
94,826 |
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$ |
72,173 |
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$ |
22,653 |
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$ |
— |
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$ |
73,560 |
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$ |
57,624 |
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$ |
15,936 |
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$ |
— |
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Long-term investments:
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U.S. treasuries
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$ |
4,393 |
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$ |
4,393 |
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$ |
— |
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$ |
— |
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$ |
17,954 |
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$ |
17,954 |
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$ |
— |
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$ |
— |
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U.S. government sponsored entities
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1,670 |
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— |
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1,670 |
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— |
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5,244 |
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— |
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5,244 |
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— |
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Corporate debt securities
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23,056 |
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— |
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23,056 |
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— |
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22,719 |
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— |
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22,719 |
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— |
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Asset-backed securities and other
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6,454 |
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— |
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6,454 |
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— |
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6,182 |
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— |
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6,182 |
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— |
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$ |
35,573 |
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$ |
4,393 |
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$ |
31,180 |
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$ |
— |
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$ |
52,099 |
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$ |
17,954 |
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$ |
34,145 |
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$ |
— |
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(1) |
Included in cash and cash
equivalents. |
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