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Supplemental Financial Information (Tables) | 12 Months Ended
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Dec. 31, 2018
Supplemental Income Statement Elements [Abstract] |
Schedule of Income Statement Supplemental Disclosures | The components of Other operating (income) expense, net are as follows:
| Year Ended December 31,
(Dollars in thousands) | 2018 |  | 2017 |  | 2016
Gain from antitrust litigation settlement | $ | (4,231 | ) |  | $ | — |  |  | $ | — |
Gain on sale of property, plant and equipment | (164 | ) |  | (5,329 | ) |  | — |
Lease income | (948 | ) |  | — |  |  | — |
Depreciation on leased assets | 3,512 |  |  | — |  |  | — |
Indemnity claim settlement from acquisitions | (700 | ) |  | — |  |  | — |
Economic incentive grants | (556 | ) |  | — |  |  | — |
| $ | (3,087 | ) |  | $ | (5,329 | ) |  | $ | — |

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