 
    
                                                | (in millions $) | 30 Oct 2024 | 30 Jun 2024 | 31 Mar 2024 | 31 Dec 2023 | 
|---|---|---|---|---|
| Current assets | ||||
| Cash | $42.03 | $48.36 | $46.54 | |
| Short term investments | $0.57 | |||
| Net receivables | $20.43 | $29.67 | $21.89 | $17.82 | 
| Inventory | $24.92 | $24.41 | $30.64 | $26.75 | 
| Total current assets | $127.47 | $135.92 | $146.18 | $157.27 | 
| Long term investments | $0.32 | $0.32 | $0.32 | |
| Property, plant & equipment | $886.58 | $953.25 | $1007.52 | $1039.76 | 
| Goodwill & intangible assets | ||||
| Total noncurrent assets | $922.05 | $971.62 | $984.63 | |
| Total investments | $0.32 | $0.32 | $0.89 | |
| Total assets | $1044.5 | $1057.97 | $1117.81 | $1141.9 | 
| Current liabilities | ||||
| Accounts payable | $13.99 | $27.96 | $31.3 | $24.25 | 
| Deferred revenue | $7.57 | $5.68 | $8.75 | |
| Short long term debt | $2.35 | $2.33 | $2.29 | |
| Total current liabilities | $41.21 | $37.88 | $39.3 | $35.29 | 
| Long term debt | $71.67 | $96.77 | $161.88 | $191.97 | 
| Total noncurrent liabilities | $96.77 | $161.88 | $191.97 | |
| Total debt | $99.13 | $164.2 | $194.26 | |
| Total liabilities | $114.56 | $134.66 | $201.18 | $227.26 | 
| Shareholders' equity | ||||
| Retained earnings | -$577.39 | -$598.85 | -$622.32 | -$641.12 | 
| Other shareholder equity | $0.53 | |||
| Total shareholder equity | $921.75 | $915.1 | $913.26 | |
| (in millions $) | 31 Dec 2023 | 31 Jan 2023 | 31 Dec 2021 | 31 Dec 2020 | 
|---|---|---|---|---|
| Current assets | ||||
| Cash | $46.54 | $63.78 | $120.22 | $179.36 | 
| Short term investments | $0.57 | $6.31 | ||
| Net receivables | $17.82 | $26.51 | $20.12 | $12.99 | 
| Inventory | $26.75 | $21.74 | $24.56 | $21.58 | 
| Total current assets | $157.27 | $125.43 | $174.83 | $247.2 | 
| Long term investments | $0.32 | $0.74 | $1.48 | $0.32 | 
| Property, plant & equipment | $1039.76 | $1015.44 | $1026.69 | $1007.7 | 
| Goodwill & intangible assets | ||||
| Total noncurrent assets | $984.63 | $1048.44 | $1028.17 | $985.61 | 
| Total investments | $0.89 | $7.05 | $1.48 | $0.32 | 
| Total assets | $1141.9 | $1173.87 | $1203 | $1232.81 | 
| Current liabilities | ||||
| Accounts payable | $24.25 | $16.16 | $29.96 | $22.79 | 
| Deferred revenue | $8.75 | $4.96 | $10.08 | $8.42 | 
| Short long term debt | $2.29 | $2.11 | $1.86 | $82.41 | 
| Total current liabilities | $35.29 | $36.54 | $41.9 | $113.62 | 
| Long term debt | $191.97 | $164.92 | $244.43 | $366.99 | 
| Total noncurrent liabilities | $191.97 | $169.02 | $244.43 | $374.19 | 
| Total debt | $194.26 | $171.12 | $246.29 | $449.4 | 
| Total liabilities | $227.26 | $206.43 | $286.33 | $487.81 | 
| Shareholders' equity | ||||
| Retained earnings | -$641.12 | -$628.25 | -$786.82 | -$968.83 | 
| Other shareholder equity | $0.53 | $6.48 | $0.82 | |
| Total shareholder equity | $913.26 | $967.43 | $916.59 | $744.99 | 
| (in millions $) | 30 Oct 2024 | 30 Jun 2024 | 31 Mar 2024 | 31 Dec 2023 | 
|---|---|---|---|---|
| Revenue | ||||
| Total revenue | $99.33 | $107.05 | $117.44 | $115.52 | 
| Cost of revenue | $59.7 | $66.64 | $70.22 | |
| Gross Profit | $44.99 | $47.34 | $50.79 | $45.3 | 
| Operating activities | ||||
| Research & development | ||||
| Selling, general & administrative | $6.32 | $7.66 | $7 | |
| Total operating expenses | $24.46 | $21.03 | $28.7 | $38.26 | 
| Operating income | $26.31 | $22.09 | $7.04 | |
| Income from continuing operations | ||||
| EBIT | $26.92 | $22.84 | $7.56 | |
| Income tax expense | ||||
| Interest expense | -$2.22 | $3.45 | $4.04 | $2.62 | 
| Net income | ||||
| Net income | $21.46 | $23.47 | $18.8 | $4.94 | 
| Income (for common shares) | $23.47 | $18.8 | $4.94 | |
| (in millions $) | 31 Dec 2023 | 31 Dec 2022 | 31 Dec 2021 | 31 Dec 2020 | 
|---|---|---|---|---|
| Revenue | ||||
| Total revenue | $383.82 | $536.93 | $547.13 | $355.56 | 
| Cost of revenue | $249.2 | $280.49 | $264.64 | $254.71 | 
| Gross Profit | $134.63 | $256.45 | $282.49 | $100.85 | 
| Operating activities | ||||
| Research & development | ||||
| Selling, general & administrative | $28.27 | $25.71 | $24.45 | $21.27 | 
| Total operating expenses | $140.47 | $89.21 | $81.37 | $304.19 | 
| Operating income | -$5.85 | $167.24 | $201.12 | -$203.34 | 
| Income from continuing operations | ||||
| EBIT | -$4.09 | $167.67 | $197.36 | -$203.16 | 
| Income tax expense | ||||
| Interest expense | $8.78 | $9.09 | $15.36 | $22.41 | 
| Net income | ||||
| Net income | -$12.87 | $158.58 | $182.01 | -$225.57 | 
| Income (for common shares) | -$12.87 | $158.58 | $182.01 | -$225.57 | 
| (in millions $) | 30 Oct 2024 | 30 Jun 2024 | 31 Mar 2024 | 31 Dec 2023 | 
|---|---|---|---|---|
| Net income | $23.47 | $18.8 | $4.94 | |
| Operating activities | ||||
| Depreciation | $17.47 | $17.59 | $17.07 | |
| Business acquisitions & disposals | ||||
| Stock-based compensation | $1.45 | $1.38 | $1.35 | |
| Total cash flows from operations | $29.03 | $32.25 | $39.62 | |
| Investing activities | ||||
| Capital expenditures | $47.62 | $17.34 | -$88.36 | |
| Investments | ||||
| Total cash flows from investing | $73.72 | $47.62 | $17.49 | -$88.33 | 
| Financing activities | ||||
| Dividends paid | -$50.41 | -$17.99 | -$17.89 | -$6.4 | 
| Sale and purchase of stock | ||||
| Net borrowings | -$65 | -$30.04 | $49.76 | |
| Total cash flows from financing | -$170.45 | -$82.99 | -$47.92 | $43.35 | 
| Effect of exchange rate | ||||
| Change in cash and equivalents | $0.12 | -$6.33 | $1.82 | -$5.36 | 
| (in millions $) | 31 Dec 2023 | 31 Dec 2022 | 31 Dec 2021 | 31 Dec 2020 | 
|---|---|---|---|---|
| Net income | -$12.87 | $158.58 | $182.01 | -$225.57 | 
| Operating activities | ||||
| Depreciation | $67.92 | $61.61 | $57.62 | $66.53 | 
| Business acquisitions & disposals | ||||
| Stock-based compensation | $5.53 | $3.24 | $2.27 | $2.03 | 
| Total cash flows from operations | $91.78 | $189.32 | $231.12 | $36.9 | 
| Investing activities | ||||
| Capital expenditures | -$94.01 | -$56.04 | -$67.99 | $36.95 | 
| Investments | ||||
| Total cash flows from investing | -$91.62 | -$55.02 | -$67.57 | $37.44 | 
| Financing activities | ||||
| Dividends paid | -$40.91 | -$115.73 | -$13.46 | -$9.85 | 
| Sale and purchase of stock | ||||
| Net borrowings | $23.51 | -$75.01 | -$209.28 | -$47.06 | 
| Total cash flows from financing | -$17.4 | -$190.74 | -$222.69 | -$56.91 | 
| Effect of exchange rate | ||||
| Change in cash and equivalents | -$17.24 | -$56.43 | -$59.15 | $17.43 | 
| Market cap | $708.93M | 
|---|---|
| Enterprise value | N/A | 
| Shares outstanding | 42.76M | 
| Revenue | $439.33M | 
|---|---|
| EBITDA | N/A | 
| EBIT | N/A | 
| Net Income | $68.66M | 
| Revenue Q/Q | 19.16% | 
| Revenue Y/Y | N/A | 
| P/E ratio | 10.32 | 
|---|---|
| EV/Sales | N/A | 
| EV/EBITDA | N/A | 
| EV/EBIT | N/A | 
| P/S ratio | 1.61 | 
| P/B ratio | N/A | 
| Book/Share | N/A | 
| Cash/Share | N/A | 
| EPS | $1.61 | 
|---|---|
| ROA | 6.30% | 
| ROE | N/A | 
| Debt/Equity | 0.25 | 
|---|---|
| Net debt/EBITDA | N/A | 
| Current ratio | 3.09 | 
| Quick ratio | 2.49 |