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Supplemental Financial Information (Tables) | 6 Months Ended
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Jun. 30, 2021
Supplemental Income Statement Elements [Abstract] |
Schedule of Restructuring and Impairment Charges | The components of “Restructuring and impairment charges” line item in the condensed consolidated statements of operations, which contains restructuring charges and related expenses, as well as impairment charges, were as follows:
| Three Months Ended |  | Six Months Ended
(Dollars in thousands) | June 30, 2021 |  | June 30, 2020 |  | June 30, 2021 |  | June 30, 2020
Restructuring charges |  |  |  |  |  |  |
Manufacturing footprint optimization | 747 |  |  | — |  |  | 2,253 |  |  | — |
Total restructuring charges | 747 |  |  | — |  |  | 2,253 |  |  | — |
Total restructuring and impairment charges | $ | 747 |  |  | $ | — |  |  | $ | 2,253 |  |  | $ | — |
Schedule of Severance Activity | Severance and related benefits activity related to the manufacturing footprint optimization plan is presented in the table below for the six months ended June 30, 2021:
(Dollars in thousands) | Manufacturing Footprint Optimization Restructuring Severance
Balance as of December 31, 2020 | $ | 11,003 |
Provisions | 113 |
Payments | (6,902) |
Foreign currency translation adjustment | (312) |
Balance as of June 30, 2021 | $ | 3,902 |
Schedule of Other Operating (Income) Expense | The components of “Other operating (income) expense, net” line item in the condensed consolidated statements of operations, were as follows:
| Three Months Ended |  | Six Months Ended
(Dollars in thousands) | June 30, 2021 |  | June 30, 2020 |  | June 30, 2021 |  | June 30, 2020
UTIS fire |  |  |  |  |  |  |
Fixed assets write-offs | — |  |  | — |  |  | 891 |  |  | — |
Inventory charges | 40 |  |  | — |  |  | 320 |  |  | — |
Professional services | 1,072 |  |  | — |  |  | 1,594 |  |  | — |
Lease obligations | 54 |  |  | — |  |  | 540 |  |  | — |
Compensation & benefits | 600 |  |  | — |  |  | 844 |  |  | — |
Other | 76 |  |  | — |  |  | 76 |  |  | — |
Insurance recoveries | (359) |  |  | — |  |  | (1,478) |  |  | — |
Total UTIS fire | 1,483 |  |  | — |  |  | 2,787 |  |  | — |
(Gain) loss on sale or disposal of property, plant and equipment | (593) |  |  | 33 |  |  | (682) |  |  | 53 |
Economic incentive grants | — |  |  | (145) |  |  | — |  |  | (145) |
Total other operating (income) expense, net | $ | 890 |  |  | $ | (112) |  |  | $ | 2,105 |  |  | $ | (92) |
Interest Income and Interest Expense Disclosure | The components of “Interest expense, net” line item in the condensed consolidated statements of operations, were as follows:
| Three Months Ended |  | Six Months Ended
(Dollars in thousands) | June 30, 2021 |  | June 30, 2020 |  | June 30, 2021 |  | June 30, 2020
Interest on revolving credit facility | $ | 5 |  |  | $ | 1,388 |  |  | $ | 106 |  |  | $ | 2,467 |
Interest rate swap settlements | — |  |  | 336 |  |  | — |  |  | 422 |
Line of credit fees | 291 |  |  | 152 |  |  | 564 |  |  | 318 |
Debt issuance amortization costs | 179 |  |  | 138 |  |  | 358 |  |  | 276 |
Interest on finance leases | 47 |  |  | 32 |  |  | 259 |  |  | 65 |
Interest income | (150) |  |  | (269) |  |  | (345) |  |  | (589) |
Other | 32 |  |  | 2 |  |  | 69 |  |  | 27 |
Total interest expense, net | $ | 404 |  |  | $ | 1,779 |  |  | $ | 1,011 |  |  | $ | 2,986 |

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