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Accumulated Other Comprehensive Loss (Tables) | 6 Months Ended
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Jun. 30, 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 loss before reclassifications | — |  |  | 2,257 |  |  | (51,703) |  |  | (49,446) |
Amounts reclassified from accumulated other comprehensive loss | 1,038 |  |  | 20 |  |  | — |  |  | 1,058 |
Other comprehensive loss | 1,038 |  |  | 2,277 |  |  | (51,703) |  |  | (48,388) |
Balance at June 30, 2022 | $ | (118,436) |  |  | $ | (50) |  |  | $ | (189,730) |  |  | $ | (308,216) |

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