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Accumulated Other Comprehensive Loss (Tables) | 3 Months Ended
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Mar. 31, 2023
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] |
Components of Accumulated Other Comprehensive Loss | The components of “Accumulated other comprehensive loss” on the Consolidated Balance Sheets at December 31, 2022 and March 31, 2023 and the changes during the three-month period ended March 31, 2023, are presented net of taxes in the following table.
(Thousands of dollars) | Foreign Currency Translation Gains (Losses) |  | Retirement and Postretirement Benefit Plan Adjustments |  |  |  | Total
Balance at December 31, 2022 | $ | (418,230) |  |  | $ | (116,456) |  |  |  |  | $ | (534,686) |
Components of other comprehensive income (loss): |  |  |  |  |  |  |
Before reclassifications to income | 3,669 |  |  | – |  |  |  |  | 3,669 |
Reclassifications to income ¹ | – |  |  | 1,098 |  |  |  |  | 1,098 |
Net other comprehensive income (loss) | 3,669 |  |  | 1,098 |  |  |  |  | 4,767 |
Balance at March 31, 2023 | $ | (414,561) |  |  | $ | (115,358) |  |  |  |  | $ | (529,919) |
1 Reclassifications before taxes of $1,334 thousand are included in the computation of net periodic benefit expense for the three-month period ended March 31, 2023. See Note G for additional information. Related income taxes of $236 thousand are included in Income tax expense (benefit) for the three-month period ended March 31, 2023.

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