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Accumulated Other Comprehensive Loss (Tables) | 3 Months Ended
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Mar. 31, 2022
Equity [Abstract] |
Amounts Included in Accumulated Other Comprehensive Loss, Net of Tax | Amounts included in accumulated other comprehensive loss, net of tax, were as follows:
| Unrecognized Net Defined Benefit Plan Costs |  | Change in Fair Value of Derivatives |  | Foreign Currency Translation |  | Total
| (Dollars in thousands)
Balance at December 31, 2021 | $ | (119,474) |  |  | $ | (2,327) |  |  | $ | (138,027) |  |  | $ | (259,828) |
Other comprehensive income before reclassifications | — |  |  | 2,018 |  |  | 12,350 |  |  | 14,368 |
Amounts reclassified from accumulated other comprehensive loss | 499 |  |  | 319 |  |  | — |  |  | 818 |
Other comprehensive income | 499 |  |  | 2,337 |  |  | 12,350 |  |  | 15,186 |
Balance at March 31, 2022 | $ | (118,975) |  |  | $ | 10 |  |  | $ | (125,677) |  |  | $ | (244,642) |

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