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Investments | 3 Months Ended
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Mar. 31, 2016
Investments, Debt and Equity Securities [Abstract] |
Investments | Investments The investment balances at March 31, 2016 and December 31, 2015, consisted of the following:
(in thousands) | March 31, 2016 |  | December 31, 2015
Rabbi trust (associated with the Deferred Compensation Plan) | $ | 3,654 |  |  | $ | 3,626 |
Investments in equity securities | 20 |  |  | 18 |
Total | $ | 3,674 |  |  | $ | 3,644 |
We classify these investments as trading securities and report them at their fair value. For the three months ended March 31, 2016 and 2015, we recorded a net unrealized loss of $18,000 and a net unrealized gain of $104,000, respectively, in other income in the condensed consolidated statements of income related to these investments. For the investment in the Rabbi Trust, we also have recorded an associated liability, which is included in other pension and benefit costs in the condensed consolidated balance sheets and is adjusted each month for the gains and losses incurred by the investments in the Rabbi Trust.

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