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Accumulated Other Comprehensive Loss (Tables) | 9 Months Ended
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Sep. 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 nine months ended September 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 | (12,262 | ) |  | — |  |  | (1,362 | ) |  | (13,624 | )
Amounts reclassified from accumulated other comprehensive loss | — |  |  | 485 |  |  | (188 | ) |  | 297 |
Net current-period other comprehensive income (loss) | (12,262 | ) |  | 485 |  |  | (1,550 | ) |  | (13,327 | )
Balance as of September 30, 2019 | $ | (42,750 | ) |  | $ | (48,215 | ) |  | $ | (1,196 | ) |  | $ | (92,161 | )
Balance as of December 31, 2017 | $ | (17,983 | ) |  | $ | (47,198 | ) |  | $ | 26 |  |  | $ | (65,155 | )
Other comprehensive income (loss) before reclassifications | (9,901 | ) |  | — |  |  | 1,416 |  |  | (8,485 | )
Amounts reclassified from accumulated other comprehensive loss | — |  |  | 131 |  |  | (108 | ) |  | 23 |
Net current-period other comprehensive income (loss) | (9,901 | ) |  | 131 |  |  | 1,308 |  |  | (8,462 | )
Balance as of September 30, 2018 | $ | (27,884 | ) |  | $ | (47,067 | ) |  | $ | 1,334 |  |  | $ | (73,617 | )
(1) Net of tax benefits of $9,851 and $9,984 as of September 30, 2019 and December 31, 2018, respectively. Net of tax benefits of $9,523 and $9,563 as of September 30, 2018 and December 31, 2017, respectively. (2) Net of tax benefits (expenses) of $329 and ($106) as of September 30, 2019 and December 31, 2018, respectively. Net of tax expenses of ($375) and ($15) as of September 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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