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Accumulated Other Comprehensive Income (Loss) (Tables) | 12 Months Ended
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Dec. 31, 2017
Equity [Abstract] |
Accumulated balances related to each component of accumulated other comprehensive income (loss) | The changes in accumulated other comprehensive income (loss) by component for the year ended December 31, 2017 were as follows:
(Dollars in thousands) | Foreign currency translation adjustments |  | Funded status of pension plans and other postretirement benefits (1) |  | Unrealized gain (loss) on derivative instruments (2) |  | Total
Beginning Balance December 31, 2016 | $ | (46,446 | ) |  | $ | (45,816 | ) |  | $ | — |  |  | $ | (92,262 | )
Other comprehensive income before reclassifications | 28,463 |  |  | — |  |  | 26 |  |  | 28,489 |
Actuarial net gain (loss) incurred in the fiscal year | — |  |  | (1,481 | ) |  | — |  |  | (1,481 | )
Amounts reclassified from accumulated other comprehensive income | — |  |  | 99 |  |  | — |  |  | 99 |
Net current-period other comprehensive income | 28,463 |  |  | (1,382 | ) |  | 26 |  |  | 27,107 |
Ending Balance December 31, 2017 | $ | (17,983 | ) |  | $ | (47,198 | ) |  | $ | 26 |  |  | $ | (65,155 | )
(1) Net of taxes of $9,563 and $9,160 for the years ended December 31, 2017 and December 31, 2016, respectively. (2) Net of taxes of $15 and $0 for the years ended December 31, 2017 and December 31, 2016, respectively. The changes in accumulated other comprehensive income (loss) by component for the year ended December 31, 2016 were as follows:
(Dollars in thousands) | Foreign currency translation adjustments |  | Funded status of pension plans and other postretirement benefits (1) |  | Unrealized gain (loss) on derivative instruments (2) |  | Total
Beginning Balance December 31, 2015 | $ | (41,365 | ) |  | $ | (47,082 | ) |  | $ | (11 | ) |  | $ | (88,458 | )
Other comprehensive income before reclassifications | (5,081 | ) |  | — |  |  | — |  |  | (5,081 | )
Actuarial net gain (loss) incurred in the fiscal year | — |  |  | 1,106 |  |  | — |  |  | 1,106 |
Amounts reclassified from accumulated other comprehensive income | — |  |  | 160 |  |  | 11 |  |  | 171 |
Net current-period other comprehensive income | (5,081 | ) |  | 1,266 |  |  | 11 |  |  | (3,804 | )
Ending Balance December 31, 2016 | $ | (46,446 | ) |  | $ | (45,816 | ) |  | $ | — |  |  | $ | (92,262 | )
(1) Net of taxes of $9,160 and $9,879 for the years ended December 31, 2016 and December 31, 2015, respectively. (2) Net of taxes of $0 and $5 for the years ended December 31, 2016 and December 31, 2015, respectively.
Reclassification out of accumulated other comprehensive income | The reclassifications out of accumulated other comprehensive income (loss) for the year ended December 31, 2017 were as follows:
Details about accumulated other comprehensive income components | Amounts reclassified to/from accumulated other comprehensive income (loss) for the period ended December 31, 2017 | Affected line item in the statement where net income is presented
Unrealized gains and losses on derivative instruments: |  |
| $ | 41 |  | Other income (expense), net
| (15 | ) | Income tax expense
| $ | 26 |  | Net of tax
Amortization of defined benefit pension and other post-retirement benefit items: |  |
Actuarial losses (gains) | $ | 154 |  | Total before tax (1)
| (55 | ) | Income tax expense
| $ | 99 |  | Net of tax
(1) These accumulated other comprehensive income components are included in the computation of net periodic pension cost. See Note 10, “Pension Benefits and Retirement Health and Life Insurance Benefits” for additional details. The reclassifications out of accumulated other comprehensive income (loss) for the year ended December 31, 2016 were as follows:
Details about accumulated other comprehensive income components | Amounts reclassified from accumulated other comprehensive income (loss) for the period ended December 31, 2016 | Affected line item in the statement where net income is presented
Unrealized gains and losses on derivative instruments: |  |
| $ | 16 |  | Other income (expense), net
| (5 | ) | Income tax expense
| $ | 11 |  | Net of tax
Amortization of defined benefit pension and other post-retirement benefit items: |  |
Actuarial losses (gains) | $ | 246 |  | Total before tax (1)
| (86 | ) | Income tax expense
| $ | 160 |  | Net of tax
(1) These accumulated other comprehensive income components are included in the computation of net periodic pension cost. See Note 10, “Pension Benefits and Other Postretirement Benefit Plans” for additional details.

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=84228862&loc=SL7669686-108580 + Details
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