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OTHER INCOME, NET (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
OTHER INCOME, NET |  |  |
Interest and dividend income | $ 2,851 | $ 2,130 | $ 1,421
Gains on trading securities relating to deferred compensation plans | 9,977 | 4,275 | 1,450
Interest expense | (144) | (105) | (76)
Foreign exchange gains (losses) | 259 | (955) | (1,427)
Capital gains (losses) | 25 | 7 | 2
Miscellaneous, net | 177 | 146 | 126
Total other income, net | $ 13,145 | $ 5,498 | $ 1,496

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