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v3.21.2

Accumulated Other Comprehensive Loss (Components of Accumulated Other Comprehensive Loss) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] |  |  |  |
Balance at beginning of period |  |  | $ 4,394,147 |
Components of other comprehensive income (loss): |  |  |  |
Before reclassifications to income and retained earnings |  |  | 37,842 |
Reclassifications to income |  |  | 9,972 |
Other comprehensive (loss) income | $ 22,091 | $ 11,643 | 47,814 | $ (116,180)
Balance at end of period | 4,041,828 | $ 4,773,482 | 4,041,828 | $ 4,773,482
Reclassifications before taxes, included in net periodic benefit expense |  |  | 2,140 |
Reclassifications, income tax expense |  |  | 450 |
Foreign Currency Translation Gains (Losses) |  |  |  |
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] |  |  |  |
Balance at beginning of period |  |  | (324,011) |
Components of other comprehensive income (loss): |  |  |  |
Before reclassifications to income and retained earnings |  |  | 37,842 |
Reclassifications to income |  |  | 0 |
Other comprehensive (loss) income |  |  | 37,842 |
Balance at end of period | (286,169) |  | (286,169) |
Retirement and Postretirement Benefit Plan Adjustments |  |  |  |
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] |  |  |  |
Balance at beginning of period |  |  | (275,632) |
Components of other comprehensive income (loss): |  |  |  |
Before reclassifications to income and retained earnings |  |  | 0 |
Reclassifications to income |  |  | 8,282 |
Other comprehensive (loss) income |  |  | 8,282 |
Balance at end of period | (267,350) |  | (267,350) |
Reclassifications before taxes, included in net periodic benefit expense |  |  | 10,513 |
Deferred Loss on Interest Rate Derivative Hedges |  |  |  |
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] |  |  |  |
Balance at beginning of period |  |  | (1,690) |
Components of other comprehensive income (loss): |  |  |  |
Before reclassifications to income and retained earnings |  |  | 0 |
Reclassifications to income |  |  | 1,690 |
Other comprehensive (loss) income |  |  | 1,690 |
Balance at end of period | 0 |  | 0 |
Reclassifications, income tax expense |  |  | 2,231 |
Total |  |  |  |
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] |  |  |  |
Balance at beginning of period |  |  | (601,333) |
Components of other comprehensive income (loss): |  |  |  |
Balance at end of period | $ (553,519) |  | $ (553,519) |

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