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Accumulated Other Comprehensive Loss (Tables) | 9 Months Ended
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Sep. 30, 2024
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, 2023 and September 30, 2024 and the changes during the nine-month period ended September 30, 2024 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, 2023 | $ | (381,632) |  |  | $ | (139,485) |  |  |  |  | $ | (521,117) |
Components of other comprehensive income (loss): |  |  |  |  |  |  |
Before reclassifications to income | (34,588) |  |  | – |  |  |  |  | (34,588) |
Reclassifications to income ¹ | – |  |  | 2,998 |  |  |  |  | 2,998 |
Net other comprehensive income (loss) | (34,588) |  |  | 2,998 |  |  |  |  | (31,590) |
Balance at September 30, 2024 | $ | (416,220) |  |  | $ | (136,487) |  |  |  |  | $ | (552,707) |
1 Reclassifications before taxes of $4.0 million are included in the computation of net periodic benefit expense for the nine-month period ended September 30, 2024. See Note H for additional information. Related income taxes of $1.0 million are included in "Income tax expense” on the Consolidated Statements of Operations for the nine-month period ended September 30, 2024.

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