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ACCUMULATED OTHER COMPREHENSIVE LOSS (Tables) | 12 Months Ended
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Dec. 31, 2021
Equity [Abstract] |
Amounts Included in Accumulated Other Comprehensive Income (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 January 1, 2019 | $ | (154,466) |  |  | $ | (1,008) |  |  | $ | (113,334) |  |  | $ | (268,808) |
Other comprehensive loss before reclassifications | 4,895 |  |  | (2,723) |  |  | (4,124) |  |  | (1,952) |
Amounts reclassified from accumulated other comprehensive loss | 10,469 |  |  | 549 |  |  | — |  |  | 11,018 |
Other comprehensive income | 15,364 |  |  | (2,174) |  |  | (4,124) |  |  | 9,066 |
Balance at December 31, 2019 | (139,102) |  |  | (3,182) |  |  | (117,458) |  |  | (259,742) |
Other comprehensive loss before reclassifications | (36,660) |  |  | (3,493) |  |  | 29,765 |  |  | (10,388) |
Amounts reclassified from accumulated other comprehensive loss | 7,158 |  |  | 2,019 |  |  | — |  |  | 9,177 |
Other comprehensive loss | (29,502) |  |  | (1,474) |  |  | 29,765 |  |  | (1,211) |
Balance at December 31, 2020 | (168,604) |  |  | (4,656) |  |  | (87,693) |  |  | (260,953) |
Other comprehensive loss before reclassifications | 41,422 |  |  | 715 |  |  | (50,334) |  |  | (8,197) |
Amounts reclassified from accumulated other comprehensive loss | 7,708 |  |  | 1,614 |  |  | — |  |  | 9,322 |
Other comprehensive income | 49,130 |  |  | 2,329 |  |  | (50,334) |  |  | 1,125 |
Balance at December 31, 2021 | $ | (119,474) |  |  | $ | (2,327) |  |  | $ | (138,027) |  |  | $ | (259,828) |

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450520&loc=d3e32583-110901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=124509347&loc=SL7669686-108580 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 45 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900 + Details
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