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Accumulated Other Comprehensive Loss (Tables) | 6 Months Ended
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Jun. 30, 2019
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] |
Accumulated Balances Related to Each Component of Accumulated Other Comprehensive Income (Loss) | The changes in accumulated other comprehensive loss by component for the six months ended June 30, 2019 and 2018 were as follows:
(Dollars and accompanying footnotes in thousands) | Foreign Currency Translation Adjustments |  | Pension and Other Postretirement Benefits(1) |  | Derivative Instrument Designated as Cash Flow Hedge(2) |  | Total
Balance as of December 31, 2018 | $ | (30,488 | ) |  | $ | (48,700 | ) |  | $ | 354 |  |  | $ | (78,834 | )
Other comprehensive income (loss) before reclassifications | (2,075 | ) |  | — |  |  | (1,204 | ) |  | (3,279 | )
Amounts reclassified from accumulated other comprehensive loss | — |  |  | 313 |  |  | (156 | ) |  | 157 |
Net current-period other comprehensive income (loss) | (2,075 | ) |  | 313 |  |  | (1,360 | ) |  | (3,122 | )
Balance as of June 30, 2019 | $ | (32,563 | ) |  | $ | (48,387 | ) |  | $ | (1,006 | ) |  | $ | (81,956 | )
Balance as of December 31, 2017 | $ | (17,983 | ) |  | $ | (47,198 | ) |  | $ | 26 |  |  | $ | (65,155 | )
Other comprehensive income (loss) before reclassifications | (8,293 | ) |  | — |  |  | 1,153 |  |  | (7,140 | )
Amounts reclassified from accumulated other comprehensive loss | — |  |  | 87 |  |  | (56 | ) |  | 31 |
Net current-period other comprehensive income (loss) | (8,293 | ) |  | 87 |  |  | 1,097 |  |  | (7,109 | )
Balance as of June 30, 2018 | $ | (26,276 | ) |  | $ | (47,111 | ) |  | $ | 1,123 |  |  | $ | (72,264 | )
(1) Net of tax benefits of $9,893 and $9,984 as of June 30, 2019 and December 31, 2018, respectively. Net of tax benefits of $9,536 and $9,563 as of June 30, 2018 and December 31, 2017, respectively. (2) Net of tax benefits (expenses) of $278 and ($106) as of June 30, 2019 and December 31, 2018, respectively. Net of tax benefits (expenses) of ($316) and ($15) as of June 30, 2018 and December 31, 2017, respectively.

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: 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=118930883&loc=SL7669686-108580 + Details
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