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Accumulated Other Comprehensive Loss (Tables) | 3 Months Ended
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Mar. 31, 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 three months ended March 31, 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 | (4,257 | ) |  | — |  |  | (394 | ) |  | (4,651 | )
Amounts reclassified from accumulated other comprehensive loss | — |  |  | 156 |  |  | (94 | ) |  | 62 |
Net current-period other comprehensive income (loss) | (4,257 | ) |  | 156 |  |  | (488 | ) |  | (4,589 | )
Balance as of March 31, 2019 | $ | (34,745 | ) |  | $ | (48,544 | ) |  | $ | (134 | ) |  | $ | (83,423 | )
Balance as of December 31, 2017 | $ | (17,983 | ) |  | $ | (47,198 | ) |  | $ | 26 |  |  | $ | (65,155 | )
Other comprehensive income (loss) before reclassifications | 7,000 |  |  | — |  |  | 805 |  |  | 7,805 |
Amounts reclassified from accumulated other comprehensive loss | — |  |  | 43 |  |  | (27 | ) |  | 16 |
Net current-period other comprehensive income (loss) | 7,000 |  |  | 43 |  |  | 778 |  |  | 7,821 |
Balance as of March 31, 2018 | $ | (10,983 | ) |  | $ | (47,155 | ) |  | $ | 804 |  |  | $ | (57,334 | )
(1) Net of taxes of $9,938 and $9,984 as of March 31, 2019 and December 31, 2018, respectively. Net of taxes of $9,549 and $9,563 as of March 31, 2018 and December 31, 2017, respectively. (2) Net of taxes of $37 and ($106) as of March 31, 2019 and December 31, 2018, respectively. Net of taxes of ($225) and ($15) as of March 31, 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=114867106&loc=SL7669686-108580 + Details
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