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ACCUMULATED OTHER COMPREHENSIVE LOSS (Tables) | 12 Months Ended
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Dec. 31, 2020
Equity [Abstract] |
Schedule of Components of Accumulated Other Comprehensive Loss | The following summary sets forth the components of accumulated other comprehensive loss, net of tax:
|  | December 31,
|  | 2020 |  | 2019
|  | (In thousands)
Cumulative translation adjustments |  | $ | (146,529) |  |  | $ | (162,243) |
Net actuarial loss and prior service cost |  | (655,040) |  |  | (667,459) |
Unrealized gain (loss) from cash flow hedges |  | (15,636) |  |  | (6,789) |
Accumulated other comprehensive loss |  | $ | (817,205) |  |  | $ | (836,491) |

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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=121641772&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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