OTHER INCOME, NET (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
OTHER INCOME, NET
Interest and dividend income	$ 3,535	$ 2,851	$ 2,130
Gains on trading securities relating to deferred compensation plans	(1,103)	9,977	4,275
Interest expense	(181)	(144)	(105)
Foreign exchange gains (losses)	(659)	259	(955)
Capital gains (losses)	(11)	25	7
Miscellaneous, net	1,143	1,171	1,327
Total other income, net	$ 2,724	$ 14,139	$ 6,679

Represents the gain loss on trading securities relating to deferred compensation plans.

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Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement.

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Amount of the cost of borrowed funds accounted for as interest expense.

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Amount before accretion (amortization) of purchase discount (premium) of interest income and dividend income on nonoperating securities.

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The aggregate amount of gains or losses resulting from nonoperating activities (for example, interest and dividend revenue, property, plant and equipment impairment loss, and so forth).

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The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business).

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Amount of income (expense) related to nonoperating activities, classified as other.

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