OTHER INCOME, NET (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
OTHER INCOME, NET
Interest and dividend income	$ 4,005	$ 4,423	$ 3,535
Gains (losses) on trading securities relating to deferred compensation plans	12,519	11,292	(1,103)
Interest expense	(164)	(220)	(181)
Foreign exchange gains (losses)	534	(533)	(659)
Capital gains (losses)	(6)	22	(11)
Miscellaneous, net	1,130	1,206	1,143
Total other income, net	$ 18,018	$ 16,190	$ 2,724

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

No definition available.

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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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