| \u00a0 | Years | ||||
| Buildings | 25-40 | ||||
| Land improvements | 20 | ||||
| Machinery and equipment | 5-20 | ||||
| Furniture and fixtures | 5-10 |
| \u00a0 | Years | ||||
| Trade name | 5-20 | ||||
| Technology and know-how | 5-14 | ||||
| Customer related intangible | 5-15 |
| \u00a0 | Years | ||||
| Buildings | 25-40 | ||||
| Land improvements | 20 | ||||
| Machinery and equipment | 5-20 | ||||
| Furniture and fixtures | 5-10 |
| \u00a0 | Years | ||||
| Buildings | 25-40 | ||||
| Land improvements | 20 | ||||
| Machinery and equipment | 5-20 | ||||
| Furniture and fixtures | 5-10 |
| \u00a0 | Years | ||||
| Trade name | 5-20 | ||||
| Technology and know-how | 5-14 | ||||
| Customer related intangible | 5-15 |
| \u00a0 | Years | ||||
| Trade name | 5-20 | ||||
| Technology and know-how | 5-14 | ||||
| Customer related intangible | 5-15 |
| For the Year Ended December 31, | |||||||||||||||||
| 2021 | 2020 | 2019 | |||||||||||||||
| (Dollars in thousands) | |||||||||||||||||
| Graphite Electrodes - LTAs | $ | 1,040,214\u00a0 | $ | 1,069,772\u00a0 | $ | 1,437,354\u00a0 | |||||||||||
| Graphite Electrodes - Non-LTAs | 258,426\u00a0 | 123,845\u00a0 | 260,979\u00a0 | ||||||||||||||
| By-products and other | 47,148\u00a0 | 30,744\u00a0 | 92,460\u00a0 | ||||||||||||||
| Total Revenues | $ | 1,345,788\u00a0 | $ | 1,224,361\u00a0 | $ | 1,790,793\u00a0 |
| Current deferred revenue | Long-Term deferred revenue | ||||||||||
| (Dollars in thousands) | |||||||||||
| Balance as of December 31, 2019 | $ | 11,776\u00a0 | $ | 3,858\u00a0 | |||||||
| Increases due to cash received | 10,110\u00a0 | \u2014\u00a0 | |||||||||
| Revenue recognized | (6,270) | \u2014\u00a0 | |||||||||
| Reclassification between long-term and current | (1,804) | 1,804\u00a0 | |||||||||
| Foreign currency impact | (756) | \u2014\u00a0 | |||||||||
| Balance as of December 31, 2020 | 13,056\u00a0 | 5,662\u00a0 | |||||||||
| Increases due to cash received | 32,466\u00a0 | \u2014\u00a0 | |||||||||
| Revenue recognized | (37,030) | \u2014\u00a0 | |||||||||
| Reclassification between long-term and current | 1,359\u00a0 | (1,359) | |||||||||
| Foreign currency impact | (11) | \u2014\u00a0 | |||||||||
| Balance as of December 31, 2021 | $ | 9,840\u00a0 | $ | 4,303\u00a0 |
| 2022 | 2023 through 2024 | ||||||||||
| Estimated LTA revenue | $910-$1,010 | $350-$450(1) |
| For the Year Ended December 31, | |||||||||||||||||
| 2021 | 2020 | 2019 | |||||||||||||||
| (Dollars in thousands) | |||||||||||||||||
| Graphite Electrodes - LTAs | $ | 1,040,214\u00a0 | $ | 1,069,772\u00a0 | $ | 1,437,354\u00a0 | |||||||||||
| Graphite Electrodes - Non-LTAs | 258,426\u00a0 | 123,845\u00a0 | 260,979\u00a0 | ||||||||||||||
| By-products and other | 47,148\u00a0 | 30,744\u00a0 | 92,460\u00a0 | ||||||||||||||
| Total Revenues | $ | 1,345,788\u00a0 | $ | 1,224,361\u00a0 | $ | 1,790,793\u00a0 |
| Current deferred revenue | Long-Term deferred revenue | ||||||||||
| (Dollars in thousands) | |||||||||||
| Balance as of December 31, 2019 | $ | 11,776\u00a0 | $ | 3,858\u00a0 | |||||||
| Increases due to cash received | 10,110\u00a0 | \u2014\u00a0 | |||||||||
| Revenue recognized | (6,270) | \u2014\u00a0 | |||||||||
| Reclassification between long-term and current | (1,804) | 1,804\u00a0 | |||||||||
| Foreign currency impact | (756) | \u2014\u00a0 | |||||||||
| Balance as of December 31, 2020 | 13,056\u00a0 | 5,662\u00a0 | |||||||||
| Increases due to cash received | 32,466\u00a0 | \u2014\u00a0 | |||||||||
| Revenue recognized | (37,030) | \u2014\u00a0 | |||||||||
| Reclassification between long-term and current | 1,359\u00a0 | (1,359) | |||||||||
| Foreign currency impact | (11) | \u2014\u00a0 | |||||||||
| Balance as of December 31, 2021 | $ | 9,840\u00a0 | $ | 4,303\u00a0 |
| 2022 | 2023 through 2024 | ||||||||||
| Estimated LTA revenue | $910-$1,010 | $350-$450(1) |
| 2021 | 2020 | 2019 | |||||||||||||||
| Dividend yield | 0.32% - 0.35% | 0.44% - 3.77% | 2.39% - 3.05% | ||||||||||||||
| Expected volatility | 62\u00a0 | % | 50\u00a0 | % | 50\u00a0 | % | |||||||||||
| Risk-free interest rate | 1.1% - 1.21% | 0.37% - 1.22% | 1.79% - 2.63% | ||||||||||||||
| Expected term in years | 6.5 years | 6.5 years | 6.5 years |
| Number of Options | Weighted- Average Exercise Price Per Share | Aggregate Intrinsic Value (thousands) | Weighted Average Remaining Term (Years) | |||||||||||||||||||||||
Outstanding at December\u00a031, 2020 | 1,248,935\u00a0 | $ | 13.66\u00a0 | |||||||||||||||||||||||
| Granted | 479,500\u00a0 | $ | 11.49\u00a0 | |||||||||||||||||||||||
| Exercised | (39,700) | $ | 10.67\u00a0 | |||||||||||||||||||||||
| Forfeited or expired | (72,015) | $ | 14.02\u00a0 | |||||||||||||||||||||||
Outstanding at December\u00a031, 2021 | 1,616,720\u00a0 | $ | 13.08\u00a0 | $ | 972,123\u00a0 | 7.6 years | ||||||||||||||||||||
| Vested and Expected to vest as of December 31, 2021 | 1,616,720\u00a0 | $ | 13.08\u00a0 | $ | 972,123\u00a0 | 7.6 years | ||||||||||||||||||||
Exercisable at December\u00a031, 2021 | 1,500,800\u00a0 | $ | 12.79\u00a0 | $ | 972,123\u00a0 | 7.6 years |
| Number of Options | Weighted- Average Grant Date Fair Value | |||||||||||||
Outstanding unvested as of December\u00a031, 2020 | 906,361\u00a0 | $ | 4.94\u00a0 | |||||||||||
| \u00a0\u00a0\u00a0\u00a0Granted | 479,500\u00a0 | 6.50\u00a0 | ||||||||||||
| \u00a0\u00a0\u00a0\u00a0Vested | (1,227,592) | 5.38\u00a0 | ||||||||||||
| \u00a0\u00a0\u00a0\u00a0Forfeited | (42,349) | 5.09\u00a0 | ||||||||||||
Outstanding unvested as of December\u00a031, 2021 | 115,920\u00a0 | $ | 6.64\u00a0 |
| Number of Shares | Weighted- Average Grant Date Fair Value | |||||||||||||
Outstanding unvested as of December\u00a031, 2020 | 502,770\u00a0 | $ | 10.28\u00a0 | |||||||||||
| \u00a0\u00a0\u00a0\u00a0Granted | 515,960\u00a0 | 11.49\u00a0 | ||||||||||||
| \u00a0\u00a0\u00a0\u00a0Cancelled | (16,795) | 10.78\u00a0 | ||||||||||||
| \u00a0\u00a0\u00a0\u00a0Vested | (999,239) | 10.88\u00a0 | ||||||||||||
Outstanding unvested as of December\u00a031, 2021 | 2,696\u00a0 | $ | 13.96\u00a0 |
| 2021 | 2020 | 2019 | |||||||||||||||
| Dividend yield | 0.32% - 0.35% | 0.44% - 3.77% | 2.39% - 3.05% | ||||||||||||||
| Expected volatility | 62\u00a0 | % | 50\u00a0 | % | 50\u00a0 | % | |||||||||||
| Risk-free interest rate | 1.1% - 1.21% | 0.37% - 1.22% | 1.79% - 2.63% | ||||||||||||||
| Expected term in years | 6.5 years | 6.5 years | 6.5 years |
| Number of Options | Weighted- Average Exercise Price Per Share | Aggregate Intrinsic Value (thousands) | Weighted Average Remaining Term (Years) | |||||||||||||||||||||||
Outstanding at December\u00a031, 2020 | 1,248,935\u00a0 | $ | 13.66\u00a0 | |||||||||||||||||||||||
| Granted | 479,500\u00a0 | $ | 11.49\u00a0 | |||||||||||||||||||||||
| Exercised | (39,700) | $ | 10.67\u00a0 | |||||||||||||||||||||||
| Forfeited or expired | (72,015) | $ | 14.02\u00a0 | |||||||||||||||||||||||
Outstanding at December\u00a031, 2021 | 1,616,720\u00a0 | $ | 13.08\u00a0 | $ | 972,123\u00a0 | 7.6 years | ||||||||||||||||||||
| Vested and Expected to vest as of December 31, 2021 | 1,616,720\u00a0 | $ | 13.08\u00a0 | $ | 972,123\u00a0 | 7.6 years | ||||||||||||||||||||
Exercisable at December\u00a031, 2021 | 1,500,800\u00a0 | $ | 12.79\u00a0 | $ | 972,123\u00a0 | 7.6 years |
| Number of Options | Weighted- Average Grant Date Fair Value | |||||||||||||
Outstanding unvested as of December\u00a031, 2020 | 906,361\u00a0 | $ | 4.94\u00a0 | |||||||||||
| \u00a0\u00a0\u00a0\u00a0Granted | 479,500\u00a0 | 6.50\u00a0 | ||||||||||||
| \u00a0\u00a0\u00a0\u00a0Vested | (1,227,592) | 5.38\u00a0 | ||||||||||||
| \u00a0\u00a0\u00a0\u00a0Forfeited | (42,349) | 5.09\u00a0 | ||||||||||||
Outstanding unvested as of December\u00a031, 2021 | 115,920\u00a0 | $ | 6.64\u00a0 |
| Number of Shares | Weighted- Average Grant Date Fair Value | |||||||||||||
Outstanding unvested as of December\u00a031, 2020 | 502,770\u00a0 | $ | 10.28\u00a0 | |||||||||||
| \u00a0\u00a0\u00a0\u00a0Granted | 515,960\u00a0 | 11.49\u00a0 | ||||||||||||
| \u00a0\u00a0\u00a0\u00a0Cancelled | (16,795) | 10.78\u00a0 | ||||||||||||
| \u00a0\u00a0\u00a0\u00a0Vested | (999,239) | 10.88\u00a0 | ||||||||||||
Outstanding unvested as of December\u00a031, 2021 | 2,696\u00a0 | $ | 13.96\u00a0 |
| 2021 | 2020 | 2019 | |||||||||||||||
| \u00a0 | (Dollars in thousands) | ||||||||||||||||
| Net sales: | |||||||||||||||||
| United States | $ | 285,710\u00a0 | $ | 260,867\u00a0 | $ | 403,916\u00a0 | |||||||||||
| Americas (excluding the United States) | 241,442\u00a0 | 187,779\u00a0 | 348,670\u00a0 | ||||||||||||||
| Asia Pacific | 154,084\u00a0 | 127,415\u00a0 | 172,439\u00a0 | ||||||||||||||
| Europe, Middle East, Africa | 664,552\u00a0 | 648,300\u00a0 | 865,768\u00a0 | ||||||||||||||
| Total | $ | 1,345,788\u00a0 | $ | 1,224,361\u00a0 | $ | 1,790,793\u00a0 |
| \u00a0 | At December\u00a031, | ||||||||||
| 2021 | 2020 | ||||||||||
| (Dollars in thousands) | |||||||||||
| Long-lived assets (a): | |||||||||||
| United States | $ | 179,003\u00a0 | $ | 169,208\u00a0 | |||||||
| Mexico | 123,997\u00a0 | 132,867\u00a0 | |||||||||
| Brazil | 4,090\u00a0 | 4,309\u00a0 | |||||||||
| France | 93,579\u00a0 | 92,805\u00a0 | |||||||||
| Spain | 100,248\u00a0 | 106,467\u00a0 | |||||||||
| Other countries | 556\u00a0 | 561\u00a0 | |||||||||
| Total | $ | 501,473\u00a0 | $ | 506,217\u00a0 |
| 2021 | 2020 | 2019 | |||||||||||||||
| \u00a0 | (Dollars in thousands) | ||||||||||||||||
| Net sales: | |||||||||||||||||
| United States | $ | 285,710\u00a0 | $ | 260,867\u00a0 | $ | 403,916\u00a0 | |||||||||||
| Americas (excluding the United States) | 241,442\u00a0 | 187,779\u00a0 | 348,670\u00a0 | ||||||||||||||
| Asia Pacific | 154,084\u00a0 | 127,415\u00a0 | 172,439\u00a0 | ||||||||||||||
| Europe, Middle East, Africa | 664,552\u00a0 | 648,300\u00a0 | 865,768\u00a0 | ||||||||||||||
| Total | $ | 1,345,788\u00a0 | $ | 1,224,361\u00a0 | $ | 1,790,793\u00a0 |
| \u00a0 | At December\u00a031, | ||||||||||
| 2021 | 2020 | ||||||||||
| (Dollars in thousands) | |||||||||||
| Long-lived assets (a): | |||||||||||
| United States | $ | 179,003\u00a0 | $ | 169,208\u00a0 | |||||||
| Mexico | 123,997\u00a0 | 132,867\u00a0 | |||||||||
| Brazil | 4,090\u00a0 | 4,309\u00a0 | |||||||||
| France | 93,579\u00a0 | 92,805\u00a0 | |||||||||
| Spain | 100,248\u00a0 | 106,467\u00a0 | |||||||||
| Other countries | 556\u00a0 | 561\u00a0 | |||||||||
| Total | $ | 501,473\u00a0 | $ | 506,217\u00a0 |
| As of December 31, 2021 | As of December 31, 2020 | ||||||||||
| \u00a0 | (Dollars in thousands) | ||||||||||
| 2018 Term Loan Facility | $ | 543,708\u00a0 | $ | 943,708\u00a0 | |||||||
| 2020 Senior Secured Notes | 500,000\u00a0 | 500,000\u00a0 | |||||||||
| Other Debt | 429\u00a0 | 615\u00a0 | |||||||||
| Unamortized debt discount and issuance costs | (14,449) | (24,192) | |||||||||
| Total Debt | 1,029,688\u00a0 | 1,420,131\u00a0 | |||||||||
| Less: Short-term Debt | (127) | (131) | |||||||||
| Long-term Debt | $ | 1,029,561\u00a0 | $ | 1,420,000\u00a0 |
| As of December 31, 2021 | As of December 31, 2020 | ||||||||||
| \u00a0 | (Dollars in thousands) | ||||||||||
| 2018 Term Loan Facility | $ | 543,708\u00a0 | $ | 943,708\u00a0 | |||||||
| 2020 Senior Secured Notes | 500,000\u00a0 | 500,000\u00a0 | |||||||||
| Other Debt | 429\u00a0 | 615\u00a0 | |||||||||
| Unamortized debt discount and issuance costs | (14,449) | (24,192) | |||||||||
| Total Debt | 1,029,688\u00a0 | 1,420,131\u00a0 | |||||||||
| Less: Short-term Debt | (127) | (131) | |||||||||
| Long-term Debt | $ | 1,029,561\u00a0 | $ | 1,420,000\u00a0 |
| \u00a0 | As of December\u00a031, 2021 | As of December\u00a031, 2020 | |||||||||||||||||||||||||||||||||
| Gross Carrying Amount | Accumulated Amortization | Net Carrying Amount | Gross Carrying Amount | Accumulated Amortization | Net Carrying Amount | ||||||||||||||||||||||||||||||
| (Dollars in thousands) | |||||||||||||||||||||||||||||||||||
| Trade name | $ | 22,500\u00a0 | $ | (13,935) | $ | 8,565\u00a0 | $ | 22,500\u00a0 | $ | (11,932) | $ | 10,568\u00a0 | |||||||||||||||||||||||
| Technology\u00a0and know-how | 55,300\u00a0 | (38,486) | 16,814\u00a0 | 55,300\u00a0 | (34,091) | 21,209\u00a0 | |||||||||||||||||||||||||||||
| Customer\u00a0related\u00a0intangible | 64,500\u00a0 | (28,195) | 36,305\u00a0 | 64,500\u00a0 | (23,848) | 40,652\u00a0 | |||||||||||||||||||||||||||||
| Total finite-lived intangible assets | $ | 142,300\u00a0 | $ | (80,616) | $ | 61,684\u00a0 | $ | 142,300\u00a0 | $ | (69,871) | $ | 72,429\u00a0 |
| \u00a0 | As of December\u00a031, 2021 | As of December\u00a031, 2020 | |||||||||||||||||||||||||||||||||
| Gross Carrying Amount | Accumulated Amortization | Net Carrying Amount | Gross Carrying Amount | Accumulated Amortization | Net Carrying Amount | ||||||||||||||||||||||||||||||
| (Dollars in thousands) | |||||||||||||||||||||||||||||||||||
| Trade name | $ | 22,500\u00a0 | $ | (13,935) | $ | 8,565\u00a0 | $ | 22,500\u00a0 | $ | (11,932) | $ | 10,568\u00a0 | |||||||||||||||||||||||
| Technology\u00a0and know-how | 55,300\u00a0 | (38,486) | 16,814\u00a0 | 55,300\u00a0 | (34,091) | 21,209\u00a0 | |||||||||||||||||||||||||||||
| Customer\u00a0related\u00a0intangible | 64,500\u00a0 | (28,195) | 36,305\u00a0 | 64,500\u00a0 | (23,848) | 40,652\u00a0 | |||||||||||||||||||||||||||||
| Total finite-lived intangible assets | $ | 142,300\u00a0 | $ | (80,616) | $ | 61,684\u00a0 | $ | 142,300\u00a0 | $ | (69,871) | $ | 72,429\u00a0 |
| \u00a0 | For the Year Ended December 31 | ||||||||||||||||
| 2021 | 2020 | 2019 | |||||||||||||||
| \u00a0 | (Dollars in thousands) | ||||||||||||||||
| Interest incurred on debt | $ | 56,731\u00a0 | $ | 83,555\u00a0 | $ | 121,010\u00a0 | |||||||||||
| Accretion of original issue discount on 2018 Term Loan Facility | 3,387\u00a0 | 5,340\u00a0 | 2,196\u00a0 | ||||||||||||||
| Amortization of debt issuance and modification costs | 8,642\u00a0 | 9,179\u00a0 | 4,125\u00a0 | ||||||||||||||
| Total interest expense | $ | 68,760\u00a0 | $ | 98,074\u00a0 | $ | 127,331\u00a0 |
| \u00a0 | For the Year Ended December 31 | ||||||||||||||||
| 2021 | 2020 | 2019 | |||||||||||||||
| \u00a0 | (Dollars in thousands) | ||||||||||||||||
| Interest incurred on debt | $ | 56,731\u00a0 | $ | 83,555\u00a0 | $ | 121,010\u00a0 | |||||||||||
| Accretion of original issue discount on 2018 Term Loan Facility | 3,387\u00a0 | 5,340\u00a0 | 2,196\u00a0 | ||||||||||||||
| Amortization of debt issuance and modification costs | 8,642\u00a0 | 9,179\u00a0 | 4,125\u00a0 | ||||||||||||||
| Total interest expense | $ | 68,760\u00a0 | $ | 98,074\u00a0 | $ | 127,331\u00a0 |
| Asset Derivatives | Liability Derivatives | ||||||||||||||||||||||
| \u00a0 | Location | Fair\u00a0 Value | Location | Fair\u00a0 Value | |||||||||||||||||||
As of December\u00a031, 2021 | (Dollars in thousands) | ||||||||||||||||||||||
| Derivatives designated as cash flow hedges: | |||||||||||||||||||||||
| Commodity derivative contracts | Prepaid and other current assets | $ | 8,469\u00a0 | Other accrued liabilities | $ | \u2014\u00a0 | |||||||||||||||||
| Other assets | \u2014\u00a0 | Other long-term obligations | \u2014\u00a0 | ||||||||||||||||||||
| Interest rate swap contracts | Prepaid and other current assets | $ | \u2014\u00a0 | Other accrued liabilities | $ | 140\u00a0 | |||||||||||||||||
| Other assets | 6,060\u00a0 | Other long-term obligations | \u2014\u00a0 | ||||||||||||||||||||
| Total fair value | $ | 14,529\u00a0 | $ | 140\u00a0 | |||||||||||||||||||
As of December\u00a031, 2020 | |||||||||||||||||||||||
| Commodity derivative contracts | Prepaid and other current assets | $ | 518\u00a0 | Other accrued liabilities | $ | 888\u00a0 | |||||||||||||||||
| Other assets | 63\u00a0 | Other long-term obligations | 1,898\u00a0 | ||||||||||||||||||||
| Interest rate swap contracts | Prepaid and other current assets | $ | \u2014\u00a0 | Other accrued liabilities | $ | 4,080\u00a0 | |||||||||||||||||
| Other assets | \u2014\u00a0 | Other long-term obligations | 6,903\u00a0 | ||||||||||||||||||||
| Total fair value | $ | 581\u00a0 | $ | 13,769\u00a0 | |||||||||||||||||||
| \u00a0 | Asset Derivatives | Liability Derivatives | |||||||||||||||||||||
| \u00a0 | Location | Fair\u00a0 Value | Location | Fair\u00a0 Value | |||||||||||||||||||
As of December\u00a031, 2021 | (Dollars in Thousands) | ||||||||||||||||||||||
| Derivatives not designated as hedges: | |||||||||||||||||||||||
| Foreign currency derivatives | Prepaid and other current assets | $ | 388\u00a0 | Other accrued liabilities | $ | 2\u00a0 | |||||||||||||||||
| Total fair value | $ | 388\u00a0 | $ | 2\u00a0 | |||||||||||||||||||
As of December\u00a031, 2020 | |||||||||||||||||||||||
| Derivatives not designated as hedges: | |||||||||||||||||||||||
| Foreign currency derivatives | Prepaid and other current assets | $ | 6\u00a0 | Other accrued liabilities | $ | 111\u00a0 | |||||||||||||||||
| Interest rate swap contracts | Prepaid and other current assets | \u2014\u00a0 | Other accrued liabilities | 952\u00a0 | |||||||||||||||||||
| Total fair value | $ | 6\u00a0 | $ | 1,063\u00a0 |
| \u00a0 | \u00a0 | Amount\u00a0of\u00a0(Gain)/Loss Recognized | ||||||||||||||||||||||||
| Location of Realized (Gain)/Loss Recognized in the Consolidated Statement of Operations | 2021 | 2020 | 2019 | |||||||||||||||||||||||
| Derivatives designated as cash flow hedges: | (Dollars in thousands) | |||||||||||||||||||||||||
| Commodity derivative contracts | Cost of sales | $ | 6,440\u00a0 | $ | (4,134) | $ | (8,892) | |||||||||||||||||||
| Interest rate swaps | Interest expense (income) | 1,846\u00a0 | 4,390\u00a0 | (1,050) |
| \u00a0 | \u00a0 | Amount\u00a0of\u00a0(Gain)/Loss Recognized | ||||||||||||||||||||||||
| Location of Realized (Gain)/Loss Recognized in the Consolidated Statement of Operations | 2021 | 2020 | 2019 | |||||||||||||||||||||||
| Derivatives not designated as hedges: | (Dollars in thousands) | |||||||||||||||||||||||||
| Foreign currency derivatives | Cost of sales, Other (income) expense, net | $ | 3,895\u00a0 | $ | (2,671) | $ | (506) | |||||||||||||||||||
| Commodity derivative contracts | Cost of sales | (1,399) | (530) | (223) | ||||||||||||||||||||||
| Interest rate swap contracts | Interest expense | 866\u00a0 | \u2014\u00a0 | \u2014\u00a0 |
| \u00a0 | \u00a0 | Amount\u00a0of\u00a0(Gain)/Loss Recognized | ||||||||||||||||||||||||
| Location of Realized (Gain)/Loss Recognized in the Consolidated Statement of Operations | 2021 | 2020 | 2019 | |||||||||||||||||||||||
| Derivatives not designated as hedges: | (Dollars in thousands) | |||||||||||||||||||||||||
| Interest rate swap contracts | Interest expense | 2,807\u00a0 | \u2014\u00a0 | \u2014\u00a0 |
| Asset Derivatives | Liability Derivatives | ||||||||||||||||||||||
| \u00a0 | Location | Fair\u00a0 Value | Location | Fair\u00a0 Value | |||||||||||||||||||
As of December\u00a031, 2021 | (Dollars in thousands) | ||||||||||||||||||||||
| Derivatives designated as cash flow hedges: | |||||||||||||||||||||||
| Commodity derivative contracts | Prepaid and other current assets | $ | 8,469\u00a0 | Other accrued liabilities | $ | \u2014\u00a0 | |||||||||||||||||
| Other assets | \u2014\u00a0 | Other long-term obligations | \u2014\u00a0 | ||||||||||||||||||||
| Interest rate swap contracts | Prepaid and other current assets | $ | \u2014\u00a0 | Other accrued liabilities | $ | 140\u00a0 | |||||||||||||||||
| Other assets | 6,060\u00a0 | Other long-term obligations | \u2014\u00a0 | ||||||||||||||||||||
| Total fair value | $ | 14,529\u00a0 | $ | 140\u00a0 | |||||||||||||||||||
As of December\u00a031, 2020 | |||||||||||||||||||||||
| Commodity derivative contracts | Prepaid and other current assets | $ | 518\u00a0 | Other accrued liabilities | $ | 888\u00a0 | |||||||||||||||||
| Other assets | 63\u00a0 | Other long-term obligations | 1,898\u00a0 | ||||||||||||||||||||
| Interest rate swap contracts | Prepaid and other current assets | $ | \u2014\u00a0 | Other accrued liabilities | $ | 4,080\u00a0 | |||||||||||||||||
| Other assets | \u2014\u00a0 | Other long-term obligations | 6,903\u00a0 | ||||||||||||||||||||
| Total fair value | $ | 581\u00a0 | $ | 13,769\u00a0 | |||||||||||||||||||
| \u00a0 | Asset Derivatives | Liability Derivatives | |||||||||||||||||||||
| \u00a0 | Location | Fair\u00a0 Value | Location | Fair\u00a0 Value | |||||||||||||||||||
As of December\u00a031, 2021 | (Dollars in Thousands) | ||||||||||||||||||||||
| Derivatives not designated as hedges: | |||||||||||||||||||||||
| Foreign currency derivatives | Prepaid and other current assets | $ | 388\u00a0 | Other accrued liabilities | $ | 2\u00a0 | |||||||||||||||||
| Total fair value | $ | 388\u00a0 | $ | 2\u00a0 | |||||||||||||||||||
As of December\u00a031, 2020 | |||||||||||||||||||||||
| Derivatives not designated as hedges: | |||||||||||||||||||||||
| Foreign currency derivatives | Prepaid and other current assets | $ | 6\u00a0 | Other accrued liabilities | $ | 111\u00a0 | |||||||||||||||||
| Interest rate swap contracts | Prepaid and other current assets | \u2014\u00a0 | Other accrued liabilities | 952\u00a0 | |||||||||||||||||||
| Total fair value | $ | 6\u00a0 | $ | 1,063\u00a0 |
| \u00a0 | \u00a0 | Amount\u00a0of\u00a0(Gain)/Loss Recognized | ||||||||||||||||||||||||
| Location of Realized (Gain)/Loss Recognized in the Consolidated Statement of Operations | 2021 | 2020 | 2019 | |||||||||||||||||||||||
| Derivatives designated as cash flow hedges: | (Dollars in thousands) | |||||||||||||||||||||||||
| Commodity derivative contracts | Cost of sales | $ | 6,440\u00a0 | $ | (4,134) | $ | (8,892) | |||||||||||||||||||
| Interest rate swaps | Interest expense (income) | 1,846\u00a0 | 4,390\u00a0 | (1,050) |
| \u00a0 | \u00a0 | Amount\u00a0of\u00a0(Gain)/Loss Recognized | ||||||||||||||||||||||||
| Location of Realized (Gain)/Loss Recognized in the Consolidated Statement of Operations | 2021 | 2020 | 2019 | |||||||||||||||||||||||
| Derivatives not designated as hedges: | (Dollars in thousands) | |||||||||||||||||||||||||
| Foreign currency derivatives | Cost of sales, Other (income) expense, net | $ | 3,895\u00a0 | $ | (2,671) | $ | (506) | |||||||||||||||||||
| Commodity derivative contracts | Cost of sales | (1,399) | (530) | (223) | ||||||||||||||||||||||
| Interest rate swap contracts | Interest expense | 866\u00a0 | \u2014\u00a0 | \u2014\u00a0 |
| \u00a0 | \u00a0 | Amount\u00a0of\u00a0(Gain)/Loss Recognized | ||||||||||||||||||||||||
| Location of Realized (Gain)/Loss Recognized in the Consolidated Statement of Operations | 2021 | 2020 | 2019 | |||||||||||||||||||||||
| Derivatives not designated as hedges: | (Dollars in thousands) | |||||||||||||||||||||||||
| Interest rate swap contracts | Interest expense | 2,807\u00a0 | \u2014\u00a0 | \u2014\u00a0 |
| As of December 31, 2021 | As of December 31, 2020 | ||||||||||
| \u00a0 | (Dollars in thousands) | ||||||||||
| Inventories: | |||||||||||
| \u00a0\u00a0\u00a0Raw materials and supplies | $ | 132,113\u00a0 | $ | 101,098\u00a0 | |||||||
| \u00a0\u00a0\u00a0Work in process | 127,127\u00a0 | 110,331\u00a0 | |||||||||
| \u00a0\u00a0\u00a0Finished goods | 30,192\u00a0 | 54,535\u00a0 | |||||||||
| $ | 289,432\u00a0 | $ | 265,964\u00a0 | ||||||||
| Prepaid expenses and other current assets: | |||||||||||
| \u00a0\u00a0\u00a0Prepaid expenses | $ | 8,193\u00a0 | $ | 9,242\u00a0 | |||||||
| \u00a0\u00a0\u00a0Value-added tax and other indirect taxes receivable* | 40,861\u00a0 | 10,666\u00a0 | |||||||||
| \u00a0\u00a0\u00a0Spare parts inventory | 12,408\u00a0 | 11,825\u00a0 | |||||||||
| \u00a0\u00a0\u00a0Other current assets | 11,902\u00a0 | 3,381\u00a0 | |||||||||
| $ | 73,364\u00a0 | $ | 35,114\u00a0 | ||||||||
| Property, plant and equipment: | |||||||||||
| \u00a0\u00a0\u00a0Land and improvements | $ | 49,201\u00a0 | $ | 50,285\u00a0 | |||||||
| \u00a0\u00a0\u00a0Buildings | 79,660\u00a0 | 80,041\u00a0 | |||||||||
| \u00a0\u00a0\u00a0Machinery and equipment and other | 621,808\u00a0 | 621,478\u00a0 | |||||||||
| \u00a0\u00a0\u00a0Construction in progress | 64,629\u00a0 | 33,098\u00a0 | |||||||||
| $ | 815,298\u00a0 | $ | 784,902\u00a0 | ||||||||
| Other accrued liabilities: | |||||||||||
| \u00a0\u00a0\u00a0Payrolls (including incentive programs) | $ | 16,904\u00a0 | $ | 13,159\u00a0 | |||||||
| \u00a0\u00a0\u00a0Employee benefits | 7,272\u00a0 | 7,128\u00a0 | |||||||||
| \u00a0\u00a0\u00a0Deferred revenue | 9,840\u00a0 | 13,056\u00a0 | |||||||||
| \u00a0\u00a0\u00a0Other | 22,389\u00a0 | 23,158\u00a0 | |||||||||
| $ | 56,405\u00a0 | $ | 56,501\u00a0 | ||||||||
| Other long-term obligations: | |||||||||||
| \u00a0\u00a0\u00a0Post-employment benefits | $ | 14,597\u00a0 | $ | 15,669\u00a0 | |||||||
| \u00a0\u00a0\u00a0Pension and related benefits | 31,139\u00a0 | 37,847\u00a0 | |||||||||
| \u00a0\u00a0\u00a0Other | 22,921\u00a0 | 27,962\u00a0 | |||||||||
| $ | 68,657\u00a0 | $ | 81,478\u00a0 |
| 2021 | 2020 | 2019 | |||||||||||||||
| \u00a0 | |||||||||||||||||
| Balance at beginning of year | $ | 8,243\u00a0 | $ | 5,474\u00a0 | $ | 1,129\u00a0 | |||||||||||
| Charge to retained earnings - ASC 326 adoption impact | \u2014\u00a0 | 2,026\u00a0 | \u2014\u00a0 | ||||||||||||||
| (Credit) charge to income | (1,266) | 1,458\u00a0 | 4,636\u00a0 | ||||||||||||||
| Deductions | (142) | (715) | (291) | ||||||||||||||
| Balance at end of year | $ | 6,835\u00a0 | $ | 8,243\u00a0 | $ | 5,474\u00a0 |
| As of December 31, 2021 | As of December 31, 2020 | ||||||||||
| \u00a0 | (Dollars in thousands) | ||||||||||
| Inventories: | |||||||||||
| \u00a0\u00a0\u00a0Raw materials and supplies | $ | 132,113\u00a0 | $ | 101,098\u00a0 | |||||||
| \u00a0\u00a0\u00a0Work in process | 127,127\u00a0 | 110,331\u00a0 | |||||||||
| \u00a0\u00a0\u00a0Finished goods | 30,192\u00a0 | 54,535\u00a0 | |||||||||
| $ | 289,432\u00a0 | $ | 265,964\u00a0 | ||||||||
| Prepaid expenses and other current assets: | |||||||||||
| \u00a0\u00a0\u00a0Prepaid expenses | $ | 8,193\u00a0 | $ | 9,242\u00a0 | |||||||
| \u00a0\u00a0\u00a0Value-added tax and other indirect taxes receivable* | 40,861\u00a0 | 10,666\u00a0 | |||||||||
| \u00a0\u00a0\u00a0Spare parts inventory | 12,408\u00a0 | 11,825\u00a0 | |||||||||
| \u00a0\u00a0\u00a0Other current assets | 11,902\u00a0 | 3,381\u00a0 | |||||||||
| $ | 73,364\u00a0 | $ | 35,114\u00a0 | ||||||||
| Property, plant and equipment: | |||||||||||
| \u00a0\u00a0\u00a0Land and improvements | $ | 49,201\u00a0 | $ | 50,285\u00a0 | |||||||
| \u00a0\u00a0\u00a0Buildings | 79,660\u00a0 | 80,041\u00a0 | |||||||||
| \u00a0\u00a0\u00a0Machinery and equipment and other | 621,808\u00a0 | 621,478\u00a0 | |||||||||
| \u00a0\u00a0\u00a0Construction in progress | 64,629\u00a0 | 33,098\u00a0 | |||||||||
| $ | 815,298\u00a0 | $ | 784,902\u00a0 | ||||||||
| Other accrued liabilities: | |||||||||||
| \u00a0\u00a0\u00a0Payrolls (including incentive programs) | $ | 16,904\u00a0 | $ | 13,159\u00a0 | |||||||
| \u00a0\u00a0\u00a0Employee benefits | 7,272\u00a0 | 7,128\u00a0 | |||||||||
| \u00a0\u00a0\u00a0Deferred revenue | 9,840\u00a0 | 13,056\u00a0 | |||||||||
| \u00a0\u00a0\u00a0Other | 22,389\u00a0 | 23,158\u00a0 | |||||||||
| $ | 56,405\u00a0 | $ | 56,501\u00a0 | ||||||||
| Other long-term obligations: | |||||||||||
| \u00a0\u00a0\u00a0Post-employment benefits | $ | 14,597\u00a0 | $ | 15,669\u00a0 | |||||||
| \u00a0\u00a0\u00a0Pension and related benefits | 31,139\u00a0 | 37,847\u00a0 | |||||||||
| \u00a0\u00a0\u00a0Other | 22,921\u00a0 | 27,962\u00a0 | |||||||||
| $ | 68,657\u00a0 | $ | 81,478\u00a0 |
| 2021 | 2020 | 2019 | |||||||||||||||
| \u00a0 | |||||||||||||||||
| Balance at beginning of year | $ | 8,243\u00a0 | $ | 5,474\u00a0 | $ | 1,129\u00a0 | |||||||||||
| Charge to retained earnings - ASC 326 adoption impact | \u2014\u00a0 | 2,026\u00a0 | \u2014\u00a0 | ||||||||||||||
| (Credit) charge to income | (1,266) | 1,458\u00a0 | 4,636\u00a0 | ||||||||||||||
| Deductions | (142) | (715) | (291) | ||||||||||||||
| Balance at end of year | $ | 6,835\u00a0 | $ | 8,243\u00a0 | $ | 5,474\u00a0 |
| For the Year Ended December 31, | |||||||||||||||||
| 2021 | 2020 | 2019 | |||||||||||||||
| (Dollars\u00a0in\u00a0thousands) | |||||||||||||||||
| Operating lease cost | $ | 5,399\u00a0 | $ | 6,138\u00a0 | $ | 4,816\u00a0 | |||||||||||
| Short-term lease cost | 408\u00a0 | 159\u00a0 | 14\u00a0 | ||||||||||||||
| Variable lease cost | 453\u00a0 | 429\u00a0 | 227\u00a0 | ||||||||||||||
| Total lease cost | $ | 6,260\u00a0 | $ | 6,726\u00a0 | $ | 5,057\u00a0 |
| For the Year Ended December 31, | |||||||||||||||||
| 2021 | 2020 | 2019 | |||||||||||||||
| (Dollars\u00a0in\u00a0thousands) | |||||||||||||||||
| RoU assets obtained in exchange for new operating lease liabilities (non-cash) | 5,584\u00a0 | 5,262\u00a0 | 4,995\u00a0 | ||||||||||||||
| Cash payments for operating leases | (5,466) | (6,177) | (4,724) |
| As of December 31, | |||||||||||||||||
| 2021 | 2020 | ||||||||||||||||
| (Dollars\u00a0in\u00a0thousands) | |||||||||||||||||
| Location | |||||||||||||||||
| Operating RoU lease assets | \u00a0 | $ | 7,646\u00a0 | $ | 7,164\u00a0 | ||||||||||||
| Current operating lease liabilities | 4,109\u00a0 | 4,102\u00a0 | |||||||||||||||
| Non-current operating lease liabilities | 3,528\u00a0 | 3,195\u00a0 | |||||||||||||||
| Total operating lease liabilities | $ | 7,637\u00a0 | $ | 7,297\u00a0 | |||||||||||||
| Weighted average remaining lease term (in years) | 2.3 | 2.7 | |||||||||||||||
| Weighted average discount rate | 4.31\u00a0 | % | 5.82\u00a0 | % |
| \u00a0 | (Dollars\u00a0in\u00a0thousands) | |||||||
| 2022 | 4,200\u00a0 | |||||||
| 2023 | 2,238\u00a0 | |||||||
| 2024 | 969\u00a0 | |||||||
| 2025 | 451\u00a0 | |||||||
| 2026 and after | 152\u00a0 | |||||||
| Total lease payments | $ | 8,010\u00a0 | ||||||
| Less: Imputed interest | (373) | |||||||
| Present value of lease payments | $ | 7,637\u00a0 |
| For the Year Ended December 31, | |||||||||||||||||
| 2021 | 2020 | 2019 | |||||||||||||||
| (Dollars\u00a0in\u00a0thousands) | |||||||||||||||||
| Operating lease cost | $ | 5,399\u00a0 | $ | 6,138\u00a0 | $ | 4,816\u00a0 | |||||||||||
| Short-term lease cost | 408\u00a0 | 159\u00a0 | 14\u00a0 | ||||||||||||||
| Variable lease cost | 453\u00a0 | 429\u00a0 | 227\u00a0 | ||||||||||||||
| Total lease cost | $ | 6,260\u00a0 | $ | 6,726\u00a0 | $ | 5,057\u00a0 |
| For the Year Ended December 31, | |||||||||||||||||
| 2021 | 2020 | 2019 | |||||||||||||||
| (Dollars\u00a0in\u00a0thousands) | |||||||||||||||||
| RoU assets obtained in exchange for new operating lease liabilities (non-cash) | 5,584\u00a0 | 5,262\u00a0 | 4,995\u00a0 | ||||||||||||||
| Cash payments for operating leases | (5,466) | (6,177) | (4,724) |
| As of December 31, | |||||||||||||||||
| 2021 | 2020 | ||||||||||||||||
| (Dollars\u00a0in\u00a0thousands) | |||||||||||||||||
| Location | |||||||||||||||||
| Operating RoU lease assets | \u00a0 | $ | 7,646\u00a0 | $ | 7,164\u00a0 | ||||||||||||
| Current operating lease liabilities | 4,109\u00a0 | 4,102\u00a0 | |||||||||||||||
| Non-current operating lease liabilities | 3,528\u00a0 | 3,195\u00a0 | |||||||||||||||
| Total operating lease liabilities | $ | 7,637\u00a0 | $ | 7,297\u00a0 | |||||||||||||
| Weighted average remaining lease term (in years) | 2.3 | 2.7 | |||||||||||||||
| Weighted average discount rate | 4.31\u00a0 | % | 5.82\u00a0 | % |
| \u00a0 | (Dollars\u00a0in\u00a0thousands) | |||||||
| 2022 | 4,200\u00a0 | |||||||
| 2023 | 2,238\u00a0 | |||||||
| 2024 | 969\u00a0 | |||||||
| 2025 | 451\u00a0 | |||||||
| 2026 and after | 152\u00a0 | |||||||
| Total lease payments | $ | 8,010\u00a0 | ||||||
| Less: Imputed interest | (373) | |||||||
| Present value of lease payments | $ | 7,637\u00a0 |
| For the Year Ended December 31, | |||||||||||||||||||||||||||||||||||
| 2021 | 2020 | 2019 | |||||||||||||||||||||||||||||||||
| \u00a0 | U.S. | Foreign | U.S. | Foreign | U.S. | Foreign | |||||||||||||||||||||||||||||
| (Dollars in thousands) | |||||||||||||||||||||||||||||||||||
| Service cost | $ | 1,328\u00a0 | $ | 1,349\u00a0 | $ | 1,322\u00a0 | $ | 1,183\u00a0 | $ | 1,297\u00a0 | $ | 624\u00a0 | |||||||||||||||||||||||
| Interest cost | 2,962\u00a0 | 111\u00a0 | 3,949\u00a0 | 174\u00a0 | 5,070\u00a0 | 275\u00a0 | |||||||||||||||||||||||||||||
| Expected return on assets | (4,213) | (545) | (4,730) | (401) | (5,026) | (424) | |||||||||||||||||||||||||||||
| Mark-to-market (gain) loss | (2,428) | (1,327) | 613\u00a0 | 2,596\u00a0 | 205\u00a0 | 3,302\u00a0 | |||||||||||||||||||||||||||||
| Pension (benefits) costs | $ | (2,351) | $ | (412) | $ | 1,154\u00a0 | $ | 3,552\u00a0 | $ | 1,546\u00a0 | $ | 3,777\u00a0 |
| \u00a0 | As of December 31, 2021 | As of December 31, 2020 | |||||||||||||||||||||
| \u00a0 | U.S. | Foreign | U.S. | Foreign | |||||||||||||||||||
| \u00a0 | (Dollars in thousands) | ||||||||||||||||||||||
| Changes in Benefit Obligation: | |||||||||||||||||||||||
| Net benefit obligation at beginning of period | $ | 140,254\u00a0 | $ | 38,716\u00a0 | $ | 135,810\u00a0 | $ | 28,903\u00a0 | |||||||||||||||
| Service cost | 1,328\u00a0 | 1,349\u00a0 | 1,322\u00a0 | 1,183\u00a0 | |||||||||||||||||||
| Interest cost | 2,962\u00a0 | 111\u00a0 | 3,949\u00a0 | 174\u00a0 | |||||||||||||||||||
| Participant contributions | \u2014\u00a0 | 580\u00a0 | \u2014\u00a0 | 470\u00a0 | |||||||||||||||||||
| Foreign currency exchange changes | \u2014\u00a0 | (1,318) | \u2014\u00a0 | 2,869\u00a0 | |||||||||||||||||||
| Actuarial (gain) loss | (4,316) | (1,104) | 9,583\u00a0 | 2,683\u00a0 | |||||||||||||||||||
| Benefits paid* | (10,322) | 237\u00a0 | (10,410) | 2,434\u00a0 | |||||||||||||||||||
| Net benefit obligation at end of period | $ | 129,906\u00a0 | $ | 38,571\u00a0 | $ | 140,254\u00a0 | $ | 38,716\u00a0 | |||||||||||||||
| Changes in Plan Assets: | |||||||||||||||||||||||
| Fair value of plan assets at beginning of period | $ | 115,568\u00a0 | $ | 25,082\u00a0 | $ | 107,832\u00a0 | $ | 18,980\u00a0 | |||||||||||||||
| Actual return on plan assets | 2,325\u00a0 | 799\u00a0 | 13,700\u00a0 | 488\u00a0 | |||||||||||||||||||
| Foreign currency exchange rate changes | \u2014\u00a0 | (746) | \u2014\u00a0 | 1,893\u00a0 | |||||||||||||||||||
| Employer contributions | 2,390\u00a0 | 961\u00a0 | 4,446\u00a0 | 817\u00a0 | |||||||||||||||||||
| Participant contributions | \u2014\u00a0 | 580\u00a0 | \u2014\u00a0 | 470\u00a0 | |||||||||||||||||||
| Benefits paid* | (10,322) | 237\u00a0 | (10,410) | 2,434\u00a0 | |||||||||||||||||||
| Fair value of plan assets at end of period | $ | 109,961\u00a0 | $ | 26,913\u00a0 | $ | 115,568\u00a0 | $ | 25,082\u00a0 | |||||||||||||||
| Funded status (underfunded): | $ | (19,945) | $ | (11,658) | $ | (24,686) | $ | (13,634) | |||||||||||||||
| Amounts recognized in the statement \u00a0\u00a0of financial position: | |||||||||||||||||||||||
| Non-current assets | $ | \u2014\u00a0 | $ | \u2014\u00a0 | $ | \u2014\u00a0 | $ | 13\u00a0 | |||||||||||||||
| Current liabilities | (420) | (44) | (423) | (50) | |||||||||||||||||||
| Non-current liabilities | (19,525) | (11,614) | (24,263) | (13,597) | |||||||||||||||||||
| Net amount recognized | $ | (19,945) | $ | (11,658) | $ | (24,686) | $ | (13,634) |
| \u00a0 | As of December 31, 2021 | ||||||||||||||||||||||
| Level\u00a01 | Level\u00a02 | Level 3 | Total | ||||||||||||||||||||
| U.S. Plan Assets | |||||||||||||||||||||||
| Cash\u00a0and\u00a0cash\u00a0equivalents | $ | 715\u00a0 | $ | \u2014\u00a0 | $ | \u2014\u00a0 | $ | 715\u00a0 | |||||||||||||||
| International\u00a0Plan\u00a0Assets | |||||||||||||||||||||||
| Foreign\u00a0government\u00a0bonds | \u2014\u00a0 | 910\u00a0 | \u2014\u00a0 | 910\u00a0 | |||||||||||||||||||
| Fixed\u00a0insurance\u00a0contracts | \u2014\u00a0 | \u2014\u00a0 | 26,003\u00a0 | 26,003\u00a0 | |||||||||||||||||||
| Total assets in the fair value hierarchy | $ | \u2014\u00a0 | $ | 910\u00a0 | $ | 26,003\u00a0 | $ | 26,913\u00a0 | |||||||||||||||
| U.S. Plan - Investments measured at net asset value | $ | 109,246\u00a0 | |||||||||||||||||||||
| Total | $ | 715\u00a0 | $ | 910\u00a0 | $ | 26,003\u00a0 | $ | 136,874\u00a0 | |||||||||||||||
| As of December 31, 2020 | |||||||||||||||||||||||
| Level\u00a01 | Level 2 | Level 3 | Total | ||||||||||||||||||||
| U.S. Plan Assets | |||||||||||||||||||||||
| Cash\u00a0and\u00a0cash\u00a0equivalents | $ | 1,850\u00a0 | $ | \u2014\u00a0 | $ | \u2014\u00a0 | $ | 1,850\u00a0 | |||||||||||||||
| International\u00a0Plan\u00a0Assets | |||||||||||||||||||||||
| Foreign\u00a0government\u00a0bonds | $ | \u2014\u00a0 | $ | 995\u00a0 | $ | \u2014\u00a0 | $ | 995\u00a0 | |||||||||||||||
| Fixed\u00a0insurance\u00a0contracts | \u2014\u00a0 | \u2014\u00a0 | 24,087\u00a0 | 24,087\u00a0 | |||||||||||||||||||
| Total assets in the fair value hierarchy | $ | \u2014\u00a0 | $ | 995\u00a0 | $ | 24,087\u00a0 | $ | 25,082\u00a0 | |||||||||||||||
| U.S. Plan - Investments measured at net asset value | $ | 113,718\u00a0 | |||||||||||||||||||||
| Total | $ | 1,850\u00a0 | $ | 995\u00a0 | $ | 24,087\u00a0 | $ | 140,650\u00a0 | |||||||||||||||
| Fixed\u00a0Insurance Contracts | |||||
Balance at December\u00a031, 2019 | $ | 17,985\u00a0 | |||
| \u00a0\u00a0\u00a0Gain / contributions / currency impact | 6,149\u00a0 | ||||
| \u00a0\u00a0\u00a0Distributions | (16) | ||||
Balance at December\u00a031, 2020 | 24,118\u00a0 | ||||
| \u00a0\u00a0\u00a0Gain / contributions / currency impact | 1,900\u00a0 | ||||
| \u00a0\u00a0\u00a0Distributions | (15) | ||||
Balance at December\u00a031, 2021 | $ | 26,003\u00a0 |
| Pension Benefit Obligations Key Assumptions | As of December\u00a031, | ||||||||||
| \u00a0 | 2021 | 2020 | |||||||||
| Weighted average assumptions to determine benefit obligations: | |||||||||||
| Discount rate | 2.14\u00a0 | % | 1.78\u00a0 | % | |||||||
| Rate\u00a0of\u00a0compensation\u00a0increase | 1.46\u00a0 | % | 1.46\u00a0 | % |
| Pension Cost Key Assumptions | |||||||||||
| Weighted average assumptions to determine net cost: | |||||||||||
| Discount rate | 1.78\u00a0 | % | 2.59\u00a0 | % | |||||||
| Expected return on plan assets | 3.48\u00a0 | % | 4.14\u00a0 | % | |||||||
| Rate of compensation increase | 1.46\u00a0 | % | 1.50\u00a0 | % |
| \u00a0 | Percentage\u00a0of\u00a0Plan\u00a0Assets as of\u00a0December\u00a031, 2021 | ||||||||||
| \u00a0 | U.S. | Foreign | |||||||||
| Equity securities and return seeking assets | 20\u00a0 | % | \u2014\u00a0 | % | |||||||
| Fixed income, debt securities, or cash | 80\u00a0 | % | 100\u00a0 | % | |||||||
| Total | 100\u00a0 | % | 100\u00a0 | % |
| \u00a0 | 2021 | 2020 | |||||||||||||||||||||
| \u00a0 | U.S. | Foreign | U.S. | Foreign | |||||||||||||||||||
| \u00a0 | (Dollars in thousands) | ||||||||||||||||||||||
| Accumulated benefit obligation | $ | 129,906\u00a0 | $ | 35,247\u00a0 | $ | 140,254\u00a0 | $ | 35,316\u00a0 | |||||||||||||||
| Fair value of plan assets | 109,961\u00a0 | 26,003\u00a0 | 115,568\u00a0 | 24,118\u00a0 |
| \u00a0 | 2021 | 2020 | |||||||||||||||||||||
| \u00a0 | U.S. | Foreign | U.S. | Foreign | |||||||||||||||||||
| \u00a0 | (Dollars in thousands) | ||||||||||||||||||||||
| Projected benefit obligation | $ | 129,906\u00a0 | $ | 37,412\u00a0 | $ | 140,254\u00a0 | $ | 37,734\u00a0 | |||||||||||||||
| Fair value of plan assets | 109,961\u00a0 | 26,003\u00a0 | 115,568\u00a0 | 24,118\u00a0 |
| U.S. | Foreign | ||||||||||
| \u00a0 | (Dollars\u00a0in\u00a0thousands) | ||||||||||
| Expected contributions in 2022: | |||||||||||
| Expected employer contributions | $ | 420\u00a0 | $ | 958\u00a0 | |||||||
| Expected employee contributions | \u2014\u00a0 | \u2014\u00a0 | |||||||||
| Estimated future benefit payments reflecting expected future service for the years ending December\u00a031: | |||||||||||
| 2022 | 9,224\u00a0 | 1,352\u00a0 | |||||||||
| 2023 | 9,186\u00a0 | 1,503\u00a0 | |||||||||
| 2024 | 9,067\u00a0 | 2,916\u00a0 | |||||||||
| 2025 | 9,015\u00a0 | 1,581\u00a0 | |||||||||
| 2026 | 8,914\u00a0 | 2,663\u00a0 | |||||||||
| 2027-2031 | 40,997\u00a0 | 12,312\u00a0 |
| For the Year Ended December 31, | |||||||||||||||||||||||||||||||||||
| 2021 | 2020 | 2019 | |||||||||||||||||||||||||||||||||
| \u00a0 | U.S. | Foreign | U.S. | Foreign | U.S. | Foreign | |||||||||||||||||||||||||||||
| (Dollars in thousands) | |||||||||||||||||||||||||||||||||||
| Service cost | $ | 1,328\u00a0 | $ | 1,349\u00a0 | $ | 1,322\u00a0 | $ | 1,183\u00a0 | $ | 1,297\u00a0 | $ | 624\u00a0 | |||||||||||||||||||||||
| Interest cost | 2,962\u00a0 | 111\u00a0 | 3,949\u00a0 | 174\u00a0 | 5,070\u00a0 | 275\u00a0 | |||||||||||||||||||||||||||||
| Expected return on assets | (4,213) | (545) | (4,730) | (401) | (5,026) | (424) | |||||||||||||||||||||||||||||
| Mark-to-market (gain) loss | (2,428) | (1,327) | 613\u00a0 | 2,596\u00a0 | 205\u00a0 | 3,302\u00a0 | |||||||||||||||||||||||||||||
| Pension (benefits) costs | $ | (2,351) | $ | (412) | $ | 1,154\u00a0 | $ | 3,552\u00a0 | $ | 1,546\u00a0 | $ | 3,777\u00a0 |
| \u00a0 | As of December 31, 2021 | As of December 31, 2020 | |||||||||||||||||||||
| \u00a0 | U.S. | Foreign | U.S. | Foreign | |||||||||||||||||||
| \u00a0 | (Dollars in thousands) | ||||||||||||||||||||||
| Changes in Benefit Obligation: | |||||||||||||||||||||||
| Net benefit obligation at beginning of period | $ | 140,254\u00a0 | $ | 38,716\u00a0 | $ | 135,810\u00a0 | $ | 28,903\u00a0 | |||||||||||||||
| Service cost | 1,328\u00a0 | 1,349\u00a0 | 1,322\u00a0 | 1,183\u00a0 | |||||||||||||||||||
| Interest cost | 2,962\u00a0 | 111\u00a0 | 3,949\u00a0 | 174\u00a0 | |||||||||||||||||||
| Participant contributions | \u2014\u00a0 | 580\u00a0 | \u2014\u00a0 | 470\u00a0 | |||||||||||||||||||
| Foreign currency exchange changes | \u2014\u00a0 | (1,318) | \u2014\u00a0 | 2,869\u00a0 | |||||||||||||||||||
| Actuarial (gain) loss | (4,316) | (1,104) | 9,583\u00a0 | 2,683\u00a0 | |||||||||||||||||||
| Benefits paid* | (10,322) | 237\u00a0 | (10,410) | 2,434\u00a0 | |||||||||||||||||||
| Net benefit obligation at end of period | $ | 129,906\u00a0 | $ | 38,571\u00a0 | $ | 140,254\u00a0 | $ | 38,716\u00a0 | |||||||||||||||
| Changes in Plan Assets: | |||||||||||||||||||||||
| Fair value of plan assets at beginning of period | $ | 115,568\u00a0 | $ | 25,082\u00a0 | $ | 107,832\u00a0 | $ | 18,980\u00a0 | |||||||||||||||
| Actual return on plan assets | 2,325\u00a0 | 799\u00a0 | 13,700\u00a0 | 488\u00a0 | |||||||||||||||||||
| Foreign currency exchange rate changes | \u2014\u00a0 | (746) | \u2014\u00a0 | 1,893\u00a0 | |||||||||||||||||||
| Employer contributions | 2,390\u00a0 | 961\u00a0 | 4,446\u00a0 | 817\u00a0 | |||||||||||||||||||
| Participant contributions | \u2014\u00a0 | 580\u00a0 | \u2014\u00a0 | 470\u00a0 | |||||||||||||||||||
| Benefits paid* | (10,322) | 237\u00a0 | (10,410) | 2,434\u00a0 | |||||||||||||||||||
| Fair value of plan assets at end of period | $ | 109,961\u00a0 | $ | 26,913\u00a0 | $ | 115,568\u00a0 | $ | 25,082\u00a0 | |||||||||||||||
| Funded status (underfunded): | $ | (19,945) | $ | (11,658) | $ | (24,686) | $ | (13,634) | |||||||||||||||
| Amounts recognized in the statement \u00a0\u00a0of financial position: | |||||||||||||||||||||||
| Non-current assets | $ | \u2014\u00a0 | $ | \u2014\u00a0 | $ | \u2014\u00a0 | $ | 13\u00a0 | |||||||||||||||
| Current liabilities | (420) | (44) | (423) | (50) | |||||||||||||||||||
| Non-current liabilities | (19,525) | (11,614) | (24,263) | (13,597) | |||||||||||||||||||
| Net amount recognized | $ | (19,945) | $ | (11,658) | $ | (24,686) | $ | (13,634) |
| \u00a0 | As of December 31, 2021 | ||||||||||||||||||||||
| Level\u00a01 | Level\u00a02 | Level 3 | Total | ||||||||||||||||||||
| U.S. Plan Assets | |||||||||||||||||||||||
| Cash\u00a0and\u00a0cash\u00a0equivalents | $ | 715\u00a0 | $ | \u2014\u00a0 | $ | \u2014\u00a0 | $ | 715\u00a0 | |||||||||||||||
| International\u00a0Plan\u00a0Assets | |||||||||||||||||||||||
| Foreign\u00a0government\u00a0bonds | \u2014\u00a0 | 910\u00a0 | \u2014\u00a0 | 910\u00a0 | |||||||||||||||||||
| Fixed\u00a0insurance\u00a0contracts | \u2014\u00a0 | \u2014\u00a0 | 26,003\u00a0 | 26,003\u00a0 | |||||||||||||||||||
| Total assets in the fair value hierarchy | $ | \u2014\u00a0 | $ | 910\u00a0 | $ | 26,003\u00a0 | $ | 26,913\u00a0 | |||||||||||||||
| U.S. Plan - Investments measured at net asset value | $ | 109,246\u00a0 | |||||||||||||||||||||
| Total | $ | 715\u00a0 | $ | 910\u00a0 | $ | 26,003\u00a0 | $ | 136,874\u00a0 | |||||||||||||||
| As of December 31, 2020 | |||||||||||||||||||||||
| Level\u00a01 | Level 2 | Level 3 | Total | ||||||||||||||||||||
| U.S. Plan Assets | |||||||||||||||||||||||
| Cash\u00a0and\u00a0cash\u00a0equivalents | $ | 1,850\u00a0 | $ | \u2014\u00a0 | $ | \u2014\u00a0 | $ | 1,850\u00a0 | |||||||||||||||
| International\u00a0Plan\u00a0Assets | |||||||||||||||||||||||
| Foreign\u00a0government\u00a0bonds | $ | \u2014\u00a0 | $ | 995\u00a0 | $ | \u2014\u00a0 | $ | 995\u00a0 | |||||||||||||||
| Fixed\u00a0insurance\u00a0contracts | \u2014\u00a0 | \u2014\u00a0 | 24,087\u00a0 | 24,087\u00a0 | |||||||||||||||||||
| Total assets in the fair value hierarchy | $ | \u2014\u00a0 | $ | 995\u00a0 | $ | 24,087\u00a0 | $ | 25,082\u00a0 | |||||||||||||||
| U.S. Plan - Investments measured at net asset value | $ | 113,718\u00a0 | |||||||||||||||||||||
| Total | $ | 1,850\u00a0 | $ | 995\u00a0 | $ | 24,087\u00a0 | $ | 140,650\u00a0 | |||||||||||||||
| Fixed\u00a0Insurance Contracts | |||||
Balance at December\u00a031, 2019 | $ | 17,985\u00a0 | |||
| \u00a0\u00a0\u00a0Gain / contributions / currency impact | 6,149\u00a0 | ||||
| \u00a0\u00a0\u00a0Distributions | (16) | ||||
Balance at December\u00a031, 2020 | 24,118\u00a0 | ||||
| \u00a0\u00a0\u00a0Gain / contributions / currency impact | 1,900\u00a0 | ||||
| \u00a0\u00a0\u00a0Distributions | (15) | ||||
Balance at December\u00a031, 2021 | $ | 26,003\u00a0 |
| Pension Benefit Obligations Key Assumptions | As of December\u00a031, | ||||||||||
| \u00a0 | 2021 | 2020 | |||||||||
| Weighted average assumptions to determine benefit obligations: | |||||||||||
| Discount rate | 2.14\u00a0 | % | 1.78\u00a0 | % | |||||||
| Rate\u00a0of\u00a0compensation\u00a0increase | 1.46\u00a0 | % | 1.46\u00a0 | % |
| Pension Cost Key Assumptions | |||||||||||
| Weighted average assumptions to determine net cost: | |||||||||||
| Discount rate | 1.78\u00a0 | % | 2.59\u00a0 | % | |||||||
| Expected return on plan assets | 3.48\u00a0 | % | 4.14\u00a0 | % | |||||||
| Rate of compensation increase | 1.46\u00a0 | % | 1.50\u00a0 | % |
| \u00a0 | Percentage\u00a0of\u00a0Plan\u00a0Assets as of\u00a0December\u00a031, 2021 | ||||||||||
| \u00a0 | U.S. | Foreign | |||||||||
| Equity securities and return seeking assets | 20\u00a0 | % | \u2014\u00a0 | % | |||||||
| Fixed income, debt securities, or cash | 80\u00a0 | % | 100\u00a0 | % | |||||||
| Total | 100\u00a0 | % | 100\u00a0 | % |
| \u00a0 | 2021 | 2020 | |||||||||||||||||||||
| \u00a0 | U.S. | Foreign | U.S. | Foreign | |||||||||||||||||||
| \u00a0 | (Dollars in thousands) | ||||||||||||||||||||||
| Accumulated benefit obligation | $ | 129,906\u00a0 | $ | 35,247\u00a0 | $ | 140,254\u00a0 | $ | 35,316\u00a0 | |||||||||||||||
| Fair value of plan assets | 109,961\u00a0 | 26,003\u00a0 | 115,568\u00a0 | 24,118\u00a0 |
| \u00a0 | 2021 | 2020 | |||||||||||||||||||||
| \u00a0 | U.S. | Foreign | U.S. | Foreign | |||||||||||||||||||
| \u00a0 | (Dollars in thousands) | ||||||||||||||||||||||
| Projected benefit obligation | $ | 129,906\u00a0 | $ | 37,412\u00a0 | $ | 140,254\u00a0 | $ | 37,734\u00a0 | |||||||||||||||
| Fair value of plan assets | 109,961\u00a0 | 26,003\u00a0 | 115,568\u00a0 | 24,118\u00a0 |
| U.S. | Foreign | ||||||||||
| \u00a0 | (Dollars\u00a0in\u00a0thousands) | ||||||||||
| Expected contributions in 2022: | |||||||||||
| Expected employer contributions | $ | 420\u00a0 | $ | 958\u00a0 | |||||||
| Expected employee contributions | \u2014\u00a0 | \u2014\u00a0 | |||||||||
| Estimated future benefit payments reflecting expected future service for the years ending December\u00a031: | |||||||||||
| 2022 | 9,224\u00a0 | 1,352\u00a0 | |||||||||
| 2023 | 9,186\u00a0 | 1,503\u00a0 | |||||||||
| 2024 | 9,067\u00a0 | 2,916\u00a0 | |||||||||
| 2025 | 9,015\u00a0 | 1,581\u00a0 | |||||||||
| 2026 | 8,914\u00a0 | 2,663\u00a0 | |||||||||
| 2027-2031 | 40,997\u00a0 | 12,312\u00a0 |
| \u00a0 | (Dollars\u00a0in\u00a0thousands) | ||||
Balance as of December\u00a031, 2019 | $ | 1,835\u00a0 | |||
| Product warranty charges/adjustments | 1,220\u00a0 | ||||
| Payments and settlements | (1,058) | ||||
Balance as of December\u00a031, 2020 | $ | 1,997\u00a0 | |||
| Product warranty charges/adjustments | 1,183\u00a0 | ||||
| Payments and settlements | (2,092) | ||||
Balance as of December\u00a031, 2021 | $ | 1,088\u00a0 |
| \u00a0 | (Dollars\u00a0in\u00a0thousands) | ||||
Balance as of December\u00a031, 2019 | $ | 1,835\u00a0 | |||
| Product warranty charges/adjustments | 1,220\u00a0 | ||||
| Payments and settlements | (1,058) | ||||
Balance as of December\u00a031, 2020 | $ | 1,997\u00a0 | |||
| Product warranty charges/adjustments | 1,183\u00a0 | ||||
| Payments and settlements | (2,092) | ||||
Balance as of December\u00a031, 2021 | $ | 1,088\u00a0 |
| For the Year Ended December 31, | |||||||||||||||||
| \u00a0 | 2021 | 2020 | 2019 | ||||||||||||||
| \u00a0 | (Dollars in thousands) | ||||||||||||||||
| U.S. | $ | (69,087) | $ | 51,672\u00a0 | $ | 85,365\u00a0 | |||||||||||
| Non-U.S. | 525,493\u00a0 | 458,373\u00a0 | 757,462\u00a0 | ||||||||||||||
| Income before provision for income taxes | $ | 456,406\u00a0 | $ | 510,045\u00a0 | $ | 842,827\u00a0 |
| \u00a0 | For the Year Ended December 31, | ||||||||||||||||
| \u00a0 | 2021 | 2020 | 2019 | ||||||||||||||
| \u00a0 | |||||||||||||||||
| U.S. income taxes: | |||||||||||||||||
| Current | $ | 645\u00a0 | $ | (7,660) | $ | 16,589\u00a0 | |||||||||||
| Deferred | 2,132\u00a0 | 27,822\u00a0 | 5,690\u00a0 | ||||||||||||||
| 2,777\u00a0 | 20,162\u00a0 | 22,279\u00a0 | |||||||||||||||
| Non-U.S. income taxes: | |||||||||||||||||
| Current | 71,088\u00a0 | 63,092\u00a0 | 64,134\u00a0 | ||||||||||||||
| Deferred | (5,789) | (7,583) | 11,812\u00a0 | ||||||||||||||
| 65,299\u00a0 | 55,509\u00a0 | 75,946\u00a0 | |||||||||||||||
| Provision for income taxes | $ | 68,076\u00a0 | $ | 75,671\u00a0 | $ | 98,225\u00a0 |
| For the Year Ended December 31, | |||||||||||||||||
| \u00a0 | 2021 | 2020 | 2019 | ||||||||||||||
| \u00a0 | (Dollars in thousands) | ||||||||||||||||
| Tax at statutory U.S. federal rate | $ | 95,845\u00a0 | $ | 107,109\u00a0 | $ | 176,994\u00a0 | |||||||||||
| Impact of U.S. Tax Cuts and Jobs Act of 2017 - GILTI | 51,016\u00a0 | 45,539\u00a0 | 65,531\u00a0 | ||||||||||||||
| Impact of Tax Receivable Agreement | 49\u00a0 | (4,429) | 713\u00a0 | ||||||||||||||
| Valuation allowance | (2,208) | (980) | (14,548) | ||||||||||||||
| State taxes, net of federal tax benefit | 1,414\u00a0 | 3,591\u00a0 | 4,231\u00a0 | ||||||||||||||
| U.S. tax impact of foreign earnings (net of foreign tax credits) | 537\u00a0 | 2,113\u00a0 | 2,181\u00a0 | ||||||||||||||
| Establishment/resolution of uncertain tax positions | (48) | (78) | (1,293) | ||||||||||||||
| Adjustment for foreign income taxed at different rates | (38,530) | (38,464) | (76,922) | ||||||||||||||
| Foreign tax credits | (43,821) | (37,280) | (56,171) | ||||||||||||||
| Change-in-Control-related compensation | 10,626\u00a0 | \u2014\u00a0 | \u2014\u00a0 | ||||||||||||||
| Other | (6,804) | (1,450) | (2,491) | ||||||||||||||
| Provision for income taxes | $ | 68,076\u00a0 | $ | 75,671\u00a0 | $ | 98,225\u00a0 |
| \u00a0 | As of December\u00a031, | ||||||||||
| \u00a0 | 2021 | 2020 | |||||||||
| \u00a0 | (Dollars\u00a0in\u00a0thousands) | ||||||||||
| Deferred tax assets: | |||||||||||
| Post-employment and other employee benefits | $ | 17,375\u00a0 | $ | 18,202\u00a0 | |||||||
| Foreign tax credit and other carryforwards | 32,452\u00a0 | 37,101\u00a0 | |||||||||
| Capitalized research and experimental costs | 1,935\u00a0 | 3,897\u00a0 | |||||||||
| Environmental reserves | 1,133\u00a0 | 1,111\u00a0 | |||||||||
| Inventory adjustments | 10,545\u00a0 | 7,381\u00a0 | |||||||||
| Long-term contract option amortization | 982\u00a0 | 1,031\u00a0 | |||||||||
| Provision for rationalization charges | 71\u00a0 | 96\u00a0 | |||||||||
| Mark-to-market hedges | \u2014\u00a0 | 3,552\u00a0 | |||||||||
| Previously taxed income | 5,229\u00a0 | 2,163\u00a0 | |||||||||
| Other | 2,175\u00a0 | 1,483\u00a0 | |||||||||
| Total gross deferred tax assets | 71,897\u00a0 | 76,017\u00a0 | |||||||||
| Less: valuation allowance | (10,550) | (12,773) | |||||||||
| Total deferred tax assets | 61,347\u00a0 | 63,244\u00a0 | |||||||||
| Deferred tax liabilities: | |||||||||||
| Fixed assets | $ | 51,595\u00a0 | $ | 54,485\u00a0 | |||||||
| Inventory | 8,834\u00a0 | 8,573\u00a0 | |||||||||
| Goodwill and acquired intangibles | 9,502\u00a0 | 7,552\u00a0 | |||||||||
| Mark-to-market hedges | 2,824\u00a0 | \u2014\u00a0 | |||||||||
| Other | 3,079\u00a0 | 3,254\u00a0 | |||||||||
| Total deferred tax liabilities | 75,834\u00a0 | 73,864\u00a0 | |||||||||
| Net deferred tax (liability) | $ | (14,487) | $ | (10,620) |
| (Dollars in thousands) | |||||
| Balance as of December 31, 2018 | $ | 58,446\u00a0 | |||
| Credited to income | (14,548) | ||||
| Changes attributable to write-off of underlying assets | (30,138) | ||||
| Translation adjustment | (24) | ||||
Balance as of December\u00a031, 2019 | $ | 13,736\u00a0 | |||
| Credited to income | (980) | ||||
| Translation adjustment | 17\u00a0 | ||||
Balance as of December\u00a031, 2020 | $ | 12,773\u00a0 | |||
| Credited to income | (2,208) | ||||
| Translation adjustment | (15) | ||||
Balance as of December\u00a031, 2021 | $ | 10,550\u00a0 |
| (Dollars in thousands) | |||||
Balance as of December\u00a031, 2019 | $ | 184\u00a0 | |||
| \u00a0\u00a0\u00a0Settlements | (75) | ||||
| \u00a0\u00a0\u00a0Foreign currency impact | 16\u00a0 | ||||
Balance as of December\u00a031, 2020 | $ | 125\u00a0 | |||
| \u00a0\u00a0\u00a0Lapse of statutes of limitations | (45) | ||||
| \u00a0\u00a0\u00a0Foreign currency impact | (7) | ||||
Balance as of December\u00a031, 2021 | $ | 73\u00a0 |
| For the Year Ended December 31, | |||||||||||||||||
| \u00a0 | 2021 | 2020 | 2019 | ||||||||||||||
| \u00a0 | (Dollars in thousands) | ||||||||||||||||
| U.S. | $ | (69,087) | $ | 51,672\u00a0 | $ | 85,365\u00a0 | |||||||||||
| Non-U.S. | 525,493\u00a0 | 458,373\u00a0 | 757,462\u00a0 | ||||||||||||||
| Income before provision for income taxes | $ | 456,406\u00a0 | $ | 510,045\u00a0 | $ | 842,827\u00a0 |
| \u00a0 | For the Year Ended December 31, | ||||||||||||||||
| \u00a0 | 2021 | 2020 | 2019 | ||||||||||||||
| \u00a0 | |||||||||||||||||
| U.S. income taxes: | |||||||||||||||||
| Current | $ | 645\u00a0 | $ | (7,660) | $ | 16,589\u00a0 | |||||||||||
| Deferred | 2,132\u00a0 | 27,822\u00a0 | 5,690\u00a0 | ||||||||||||||
| 2,777\u00a0 | 20,162\u00a0 | 22,279\u00a0 | |||||||||||||||
| Non-U.S. income taxes: | |||||||||||||||||
| Current | 71,088\u00a0 | 63,092\u00a0 | 64,134\u00a0 | ||||||||||||||
| Deferred | (5,789) | (7,583) | 11,812\u00a0 | ||||||||||||||
| 65,299\u00a0 | 55,509\u00a0 | 75,946\u00a0 | |||||||||||||||
| Provision for income taxes | $ | 68,076\u00a0 | $ | 75,671\u00a0 | $ | 98,225\u00a0 |
| For the Year Ended December 31, | |||||||||||||||||
| \u00a0 | 2021 | 2020 | 2019 | ||||||||||||||
| \u00a0 | (Dollars in thousands) | ||||||||||||||||
| Tax at statutory U.S. federal rate | $ | 95,845\u00a0 | $ | 107,109\u00a0 | $ | 176,994\u00a0 | |||||||||||
| Impact of U.S. Tax Cuts and Jobs Act of 2017 - GILTI | 51,016\u00a0 | 45,539\u00a0 | 65,531\u00a0 | ||||||||||||||
| Impact of Tax Receivable Agreement | 49\u00a0 | (4,429) | 713\u00a0 | ||||||||||||||
| Valuation allowance | (2,208) | (980) | (14,548) | ||||||||||||||
| State taxes, net of federal tax benefit | 1,414\u00a0 | 3,591\u00a0 | 4,231\u00a0 | ||||||||||||||
| U.S. tax impact of foreign earnings (net of foreign tax credits) | 537\u00a0 | 2,113\u00a0 | 2,181\u00a0 | ||||||||||||||
| Establishment/resolution of uncertain tax positions | (48) | (78) | (1,293) | ||||||||||||||
| Adjustment for foreign income taxed at different rates | (38,530) | (38,464) | (76,922) | ||||||||||||||
| Foreign tax credits | (43,821) | (37,280) | (56,171) | ||||||||||||||
| Change-in-Control-related compensation | 10,626\u00a0 | \u2014\u00a0 | \u2014\u00a0 | ||||||||||||||
| Other | (6,804) | (1,450) | (2,491) | ||||||||||||||
| Provision for income taxes | $ | 68,076\u00a0 | $ | 75,671\u00a0 | $ | 98,225\u00a0 |
| \u00a0 | As of December\u00a031, | ||||||||||
| \u00a0 | 2021 | 2020 | |||||||||
| \u00a0 | (Dollars\u00a0in\u00a0thousands) | ||||||||||
| Deferred tax assets: | |||||||||||
| Post-employment and other employee benefits | $ | 17,375\u00a0 | $ | 18,202\u00a0 | |||||||
| Foreign tax credit and other carryforwards | 32,452\u00a0 | 37,101\u00a0 | |||||||||
| Capitalized research and experimental costs | 1,935\u00a0 | 3,897\u00a0 | |||||||||
| Environmental reserves | 1,133\u00a0 | 1,111\u00a0 | |||||||||
| Inventory adjustments | 10,545\u00a0 | 7,381\u00a0 | |||||||||
| Long-term contract option amortization | 982\u00a0 | 1,031\u00a0 | |||||||||
| Provision for rationalization charges | 71\u00a0 | 96\u00a0 | |||||||||
| Mark-to-market hedges | \u2014\u00a0 | 3,552\u00a0 | |||||||||
| Previously taxed income | 5,229\u00a0 | 2,163\u00a0 | |||||||||
| Other | 2,175\u00a0 | 1,483\u00a0 | |||||||||
| Total gross deferred tax assets | 71,897\u00a0 | 76,017\u00a0 | |||||||||
| Less: valuation allowance | (10,550) | (12,773) | |||||||||
| Total deferred tax assets | 61,347\u00a0 | 63,244\u00a0 | |||||||||
| Deferred tax liabilities: | |||||||||||
| Fixed assets | $ | 51,595\u00a0 | $ | 54,485\u00a0 | |||||||
| Inventory | 8,834\u00a0 | 8,573\u00a0 | |||||||||
| Goodwill and acquired intangibles | 9,502\u00a0 | 7,552\u00a0 | |||||||||
| Mark-to-market hedges | 2,824\u00a0 | \u2014\u00a0 | |||||||||
| Other | 3,079\u00a0 | 3,254\u00a0 | |||||||||
| Total deferred tax liabilities | 75,834\u00a0 | 73,864\u00a0 | |||||||||
| Net deferred tax (liability) | $ | (14,487) | $ | (10,620) |
| (Dollars in thousands) | |||||
| Balance as of December 31, 2018 | $ | 58,446\u00a0 | |||
| Credited to income | (14,548) | ||||
| Changes attributable to write-off of underlying assets | (30,138) | ||||
| Translation adjustment | (24) | ||||
Balance as of December\u00a031, 2019 | $ | 13,736\u00a0 | |||
| Credited to income | (980) | ||||
| Translation adjustment | 17\u00a0 | ||||
Balance as of December\u00a031, 2020 | $ | 12,773\u00a0 | |||
| Credited to income | (2,208) | ||||
| Translation adjustment | (15) | ||||
Balance as of December\u00a031, 2021 | $ | 10,550\u00a0 |
| (Dollars in thousands) | |||||
Balance as of December\u00a031, 2019 | $ | 184\u00a0 | |||
| \u00a0\u00a0\u00a0Settlements | (75) | ||||
| \u00a0\u00a0\u00a0Foreign currency impact | 16\u00a0 | ||||
Balance as of December\u00a031, 2020 | $ | 125\u00a0 | |||
| \u00a0\u00a0\u00a0Lapse of statutes of limitations | (45) | ||||
| \u00a0\u00a0\u00a0Foreign currency impact | (7) | ||||
Balance as of December\u00a031, 2021 | $ | 73\u00a0 |
| \u00a0 | As of December 31, 2021 | As of December 31, 2020 | |||||||||
| \u00a0 | (Dollars\u00a0in\u00a0thousands) | ||||||||||
| Foreign currency translation adjustments, net of tax | $ | (22,330) | $ | (2,725) | |||||||
| Commodities and interest rate derivatives, net of tax | 14,886\u00a0 | (16,916) | |||||||||
| Total accumulated other comprehensive loss | $ | (7,444) | $ | (19,641) |
| \u00a0 | As of December 31, 2021 | As of December 31, 2020 | |||||||||
| \u00a0 | (Dollars\u00a0in\u00a0thousands) | ||||||||||
| Foreign currency translation adjustments, net of tax | $ | (22,330) | $ | (2,725) | |||||||
| Commodities and interest rate derivatives, net of tax | 14,886\u00a0 | (16,916) | |||||||||
| Total accumulated other comprehensive loss | $ | (7,444) | $ | (19,641) |
| For the Year Ended December 31, | |||||||||||||||||
| 2021 | 2020 | 2019 | |||||||||||||||
| Weighted average common shares outstanding for basic calculation | 266,251,097\u00a0 | 267,916,483\u00a0 | 289,057,356\u00a0 | ||||||||||||||
| Add: Effect of equity awards | 66,097\u00a0 | 14,161\u00a0 | 17,245\u00a0 | ||||||||||||||
| Weighted average common shares outstanding for diluted calculation | 266,317,194\u00a0 | 267,930,644\u00a0 | 289,074,601\u00a0 |
| For the Year Ended December 31, | |||||||||||||||||
| 2021 | 2020 | 2019 | |||||||||||||||
| Weighted average common shares outstanding for basic calculation | 266,251,097\u00a0 | 267,916,483\u00a0 | 289,057,356\u00a0 | ||||||||||||||
| Add: Effect of equity awards | 66,097\u00a0 | 14,161\u00a0 | 17,245\u00a0 | ||||||||||||||
| Weighted average common shares outstanding for diluted calculation | 266,317,194\u00a0 | 267,930,644\u00a0 | 289,074,601\u00a0 |
| \u00a0 | For the Year Ended December 31 | ||||||||||||||||
| 2021 | 2020 | 2019 | |||||||||||||||
| \u00a0 | (Dollars in thousands) | ||||||||||||||||
| Brazil value-added tax credit | $ | (11,511) | $ | \u2014\u00a0 | $ | \u2014\u00a0 | |||||||||||
| Pension and post-employment non-service cost | (5,298) | 3,584\u00a0 | 4,382\u00a0 | ||||||||||||||
| Bank charges | 1,098\u00a0 | 962\u00a0 | 1,173\u00a0 | ||||||||||||||
| Other | (740) | (1,216) | (352) | ||||||||||||||
| Total other (income) expense, net | $ | (16,451) | $ | 3,330\u00a0 | $ | 5,203\u00a0 |
| \u00a0 | For the Year Ended December 31 | ||||||||||||||||
| 2021 | 2020 | 2019 | |||||||||||||||
| \u00a0 | (Dollars in thousands) | ||||||||||||||||
| Brazil value-added tax credit | $ | (11,511) | $ | \u2014\u00a0 | $ | \u2014\u00a0 | |||||||||||
| Pension and post-employment non-service cost | (5,298) | 3,584\u00a0 | 4,382\u00a0 | ||||||||||||||
| Bank charges | 1,098\u00a0 | 962\u00a0 | 1,173\u00a0 | ||||||||||||||
| Other | (740) | (1,216) | (352) | ||||||||||||||
| Total other (income) expense, net | $ | (16,451) | $ | 3,330\u00a0 | $ | 5,203\u00a0 |