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Accumulated Other Comprehensive Loss (Tables) | 6 Months Ended
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Jun. 30, 2019
Equity [Abstract] |
Amounts Included in Accumulated Other Comprehensive Loss, Net of Tax | Amounts included in accumulated other comprehensive loss, net of tax, were as follows:
| Unrecognized Net Defined Benefit Plan Costs |  | Change in Fair Value of Derivatives |  | Foreign Currency Translation |  | Total
| (Dollars in thousands)
Balance at December 31, 2018 | $ | (154,466 | ) |  | $ | (1,008 | ) |  | $ | (113,334 | ) |  | $ | (268,808 | )
Other comprehensive loss before reclassifications | — |  |  | (2,557 | ) |  | 803 |  |  | (1,754 | )
Amounts reclassified from accumulated other comprehensive loss | 5,120 |  |  | 69 |  |  | — |  |  | 5,189 |
Other comprehensive income | 5,120 |  |  | (2,488 | ) |  | 803 |  |  | 3,435 |
Balance at June 30, 2019 | $ | (149,346 | ) |  | $ | (3,496 | ) |  | $ | (112,531 | ) |  | $ | (265,373 | )

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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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