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Other, Net (Tables) | 12 Months Ended
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Dec. 31, 2020
Other Income And Expenses [Abstract] |
Other Net in Consolidated Statements of Income | Other, net in the Consolidated Statements of Income included the following for the years ended December 31, 2020, 2019 and 2018:
(In thousands) |  | 2020 |  |  | 2019 |  |  | 2018 |
Foreign exchange gains |  | $ | 1,367 |  |  | $ | 123 |  |  | $ | 1,902 |
Investment income |  |  | 1,681 |  |  |  | 968 |  |  |  | 1,554 |
Realized and unrealized gains (losses) on investments |  |  | 3,143 |  |  |  | 3,955 |  |  |  | (2,966 | )
Net periodic benefit cost |  |  | (874 | ) |  |  | (351 | ) |  |  | (1,215 | )
Gain on sale of asset |  |  | — |  |  |  | 570 |  |  |  | — |
Other retirement obligation |  |  | (363 | ) |  |  | (694 | ) |  |  | — |
Other, net |  | $ | 4,954 |  |  | $ | 4,571 |  |  | $ | (725 | )

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- Definition Tabular disclosure of the components of non-operating income or non-operating expense that may include amounts earned from dividends, interest on securities, gains (losses) on securities sold, equity earnings of unconsolidated affiliates, net gain (loss) on sales of business, interest expense and other miscellaneous income or expense items. + References No definition available. + Details
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