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Investments | 6 Months Ended
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Jun. 30, 2015
Investments, Debt and Equity Securities [Abstract] |
Investments | Investments The investment balances at June 30, 2015 and December 31, 2014, consisted of the following:
(in thousands) | June 30, 2015 |  | December 31, 2014
Rabbi trust (associated with the Deferred Compensation Plan) | $ | 3,649 |  |  | $ | 3,678 |
Investments in equity securities | 16 |  |  | — |
Total | $ | 3,665 |  |  | $ | 3,678 |
We classify these investments as trading securities and report them at their fair value. For the three months ended June 30, 2015 and 2014, we recorded a net unrealized gain of $4,000 and $114,000, respectively, in other income in the condensed consolidated statements of income related to these investments. For the six months ended June 30, 2015 and 2014, we recorded a net unrealized gain of $107,000 and $152,000, 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 Rabbi Trust.

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