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Accumulated Other Comprehensive Loss (Reclassification) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Reclassification out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Other income (expense), net | $ (592) | $ (994) | $ 5,019
Income tax (expense) benefit | (7,807) | (22,938) | (52,466)
Net income | 47,319 | 87,651 | $ 80,459
Amounts reclassified from accumulated other comprehensive income (loss) for the period ended December 31, 2013 | Funded status of pension plans and other postretirement benefits |  |  |
Reclassification out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Pension settlement charges | (53,213) | 0 |
Other income (expense), net | (504) | (227) |
Income tax (expense) benefit | 9,393 | 51 |
Net income | (44,324) | (176) |
Amounts reclassified from accumulated other comprehensive income (loss) for the period ended December 31, 2013 | Unrealized gain (loss) on derivative instruments |  |  |
Reclassification out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Other income (expense), net | 200 | 247 |
Income tax (expense) benefit | (45) | (56) |
Net income | $ 155 | $ 191 |

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