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Other Investments and Assets | 12 Months Ended
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Dec. 31, 2017
Investments All Other Investments [Abstract] |
Other Investments and Assets | Note 7. Other Investments and Assets Other investments and assets consisted of the following:
|  | December 31, |
(in thousands) |  | 2017 |  |  | 2016 |
Cash surrender value of life insurance |  | $ | 23,947 |  |  | $ | 23,197 |
Self-insured liability receivable |  |  | 10,442 |  |  |  | 10,463 |
Workers’ compensation insurance security deposits |  |  | 3,550 |  |  |  | 4,050 |
Other mutual funds |  |  | 2,637 |  |  |  | 2,062 |
Other |  |  | 6,936 |  |  |  | 4,525 |
Other investments and assets |  | $ | 47,512 |  |  | $ | 44,297 |

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