 
    
                                                | (in millions $) | 30 Oct 2024 | 30 Jul 2024 | 31 Mar 2024 | 31 Dec 2023 | 
|---|---|---|---|---|
| Current assets | ||||
| Cash | $362.5 | $395.67 | $349.67 | |
| Short term investments | $19.73 | $29.75 | ||
| Net receivables | $53 | $49.78 | $49.65 | $48.39 | 
| Inventory | ||||
| Total current assets | $473.72 | $492.83 | $515.74 | $478.37 | 
| Long term investments | $1.91 | |||
| Property, plant & equipment | $5374.17 | $4860.31 | $4933.28 | $5001.54 | 
| Goodwill & intangible assets | $27.32 | $27.32 | $27.32 | |
| Total noncurrent assets | $4958.06 | $5026.59 | $5095.07 | |
| Total investments | $19.73 | $31.66 | ||
| Total assets | $5939.12 | $5450.89 | $5542.32 | $5573.44 | 
| Current liabilities | ||||
| Accounts payable | $73.28 | $74.7 | $74.5 | $66.53 | 
| Deferred revenue | $54.19 | $58.48 | $55.75 | |
| Short long term debt | $261.29 | $263.34 | $235.17 | |
| Total current liabilities | $583.98 | $622.09 | $614.25 | $600.12 | 
| Long term debt | $4257.29 | $3829.34 | $4478.01 | $4490.5 | 
| Total noncurrent liabilities | $4487.13 | $4552.63 | $4568.17 | |
| Total debt | $4675.19 | $4741.34 | $4725.67 | |
| Total liabilities | $5646.25 | $5110.67 | $5166.88 | $5168.28 | 
| Shareholders' equity | ||||
| Retained earnings | -$3955.93 | -$3905.2 | -$3867.48 | -$3837.91 | 
| Other shareholder equity | $403.66 | |||
| Total shareholder equity | $340.21 | $373.97 | $403.66 | |
| (in millions $) | 31 Dec 2023 | 31 Jan 2023 | 31 Dec 2021 | 31 Dec 2020 | 
|---|---|---|---|---|
| Current assets | ||||
| Cash | $349.67 | $474.55 | $438.31 | $465.15 | 
| Short term investments | $29.75 | $48.68 | $182.39 | $172.91 | 
| Net receivables | $48.39 | $55.76 | $51.14 | $109.22 | 
| Inventory | ||||
| Total current assets | $478.37 | $637.09 | $698.99 | $773.6 | 
| Long term investments | $1.91 | $55.33 | $67.42 | $4.9 | 
| Property, plant & equipment | $5001.54 | $5132.83 | $5534.72 | $5856.2 | 
| Goodwill & intangible assets | $27.32 | $27.32 | $27.32 | $154.13 | 
| Total noncurrent assets | $5095.07 | $5299.97 | $5711.47 | $6128.15 | 
| Total investments | $31.66 | $104.01 | $249.82 | $177.8 | 
| Total assets | $5573.44 | $5937.06 | $6410.47 | $6901.76 | 
| Current liabilities | ||||
| Accounts payable | $66.53 | $71 | $76.13 | $71.23 | 
| Deferred revenue | $55.75 | $66.2 | $67.08 | $97 | 
| Short long term debt | $235.17 | $266.86 | $233.92 | $234.65 | 
| Total current liabilities | $600.12 | $641.21 | $631.95 | $690.73 | 
| Long term debt | $4490.5 | $4008.9 | $4992.1 | $5210.3 | 
| Total noncurrent liabilities | $4568.17 | $4711.7 | $5078.89 | $5408.3 | 
| Total debt | $4725.67 | $4892.73 | $5226.02 | $5444.95 | 
| Total liabilities | $5168.28 | $5354.46 | $5710.84 | $6099.03 | 
| Shareholders' equity | ||||
| Retained earnings | -$3837.91 | -$3648.9 | -$3410.47 | -$3311.18 | 
| Other shareholder equity | $403.66 | $2.52 | ||
| Total shareholder equity | $403.66 | $582.61 | $697.4 | $800.43 | 
| (in millions $) | 30 Oct 2024 | 30 Jun 2024 | 31 Mar 2024 | 31 Dec 2023 | 
|---|---|---|---|---|
| Revenue | ||||
| Total revenue | $777.54 | $782.83 | $754.48 | |
| Cost of revenue | $623.69 | $630.02 | $618.48 | |
| Gross Profit | $153.85 | $152.81 | $136 | |
| Operating activities | ||||
| Research & development | ||||
| Selling, general & administrative | $46.66 | $45.73 | $41.87 | |
| Total operating expenses | $134.69 | $133.57 | $160.24 | |
| Operating income | $19.16 | $19.25 | -$24.24 | |
| Income from continuing operations | ||||
| EBIT | $21.61 | $28.91 | -$22.56 | |
| Income tax expense | $0.45 | -$0.04 | $9.81 | |
| Interest expense | $58.89 | $58.52 | $58.78 | |
| Net income | ||||
| Net income | -$37.73 | -$29.57 | -$91.16 | |
| Income (for common shares) | -$37.73 | -$29.57 | -$91.16 | |
| (in millions $) | 31 Dec 2023 | 31 Dec 2022 | 31 Dec 2021 | 31 Dec 2020 | 
|---|---|---|---|---|
| Revenue | ||||
| Total revenue | $3015.83 | $2825.38 | $2758.26 | $3540.2 | 
| Cost of revenue | $2471.53 | $2396.26 | $2431.67 | $2967.08 | 
| Gross Profit | $544.29 | $429.12 | $326.59 | $573.11 | 
| Operating activities | ||||
| Research & development | ||||
| Selling, general & administrative | $178.89 | $168.59 | $184.92 | $206.57 | 
| Total operating expenses | $525.88 | $471.81 | $254.69 | $296.27 | 
| Operating income | $18.41 | -$42.69 | $71.9 | $276.84 | 
| Income from continuing operations | ||||
| EBIT | $51.49 | -$34.06 | $80.24 | $289.72 | 
| Income tax expense | $8.78 | -$1.56 | -$8.16 | $5.35 | 
| Interest expense | $231.72 | $205.93 | $187.69 | $202.35 | 
| Net income | ||||
| Net income | -$189.01 | -$238.43 | -$99.29 | $82.02 | 
| Income (for common shares) | -$189.01 | -$238.43 | -$99.29 | $82.02 | 
| (in millions $) | 30 Oct 2024 | 30 Jun 2024 | 31 Mar 2024 | 31 Dec 2023 | 
|---|---|---|---|---|
| Net income | -$37.73 | -$29.57 | -$91.16 | |
| Operating activities | ||||
| Depreciation | $90.36 | $88.38 | $89.34 | |
| Business acquisitions & disposals | $6.17 | $0.85 | $40.34 | |
| Stock-based compensation | $3.98 | $3.27 | $3.02 | |
| Total cash flows from operations | $55.67 | -$1.15 | $29.29 | |
| Investing activities | ||||
| Capital expenditures | -$51.57 | -$44.4 | -$58.51 | |
| Investments | -$27.48 | $29.37 | $37.34 | |
| Total cash flows from investing | -$133.52 | -$68.46 | -$6.95 | $22.38 | 
| Financing activities | ||||
| Dividends paid | ||||
| Sale and purchase of stock | ||||
| Net borrowings | -$20.23 | $60.42 | -$95.36 | |
| Total cash flows from financing | -$5.09 | -$20.38 | $54.09 | -$105.28 | 
| Effect of exchange rate | ||||
| Change in cash and equivalents | -$17.62 | -$33.16 | $46 | -$53.61 | 
| (in millions $) | 31 Dec 2023 | 31 Dec 2022 | 31 Dec 2021 | 31 Dec 2020 | 
|---|---|---|---|---|
| Net income | -$189.01 | -$238.43 | -$99.29 | $82.02 | 
| Operating activities | ||||
| Depreciation | $350.41 | $353.89 | $345.06 | $365.65 | 
| Business acquisitions & disposals | $75.36 | -$0.6 | $365.68 | -$144.96 | 
| Stock-based compensation | $11.98 | $14.47 | $16.27 | $20.75 | 
| Total cash flows from operations | $162.92 | $3.28 | -$94.63 | $205.65 | 
| Investing activities | ||||
| Capital expenditures | -$233.21 | -$196.92 | -$176.66 | -$185.87 | 
| Investments | $22.62 | $135.08 | -$7.47 | -$97.85 | 
| Total cash flows from investing | -$113.36 | -$67.43 | $181.46 | -$425.11 | 
| Financing activities | ||||
| Dividends paid | ||||
| Sale and purchase of stock | $139.44 | -$18.12 | ||
| Net borrowings | -$161.69 | -$26.93 | -$88.61 | $424.24 | 
| Total cash flows from financing | -$174.44 | $100.38 | -$113.66 | $382.91 | 
| Effect of exchange rate | ||||
| Change in cash and equivalents | -$124.88 | $36.23 | -$26.83 | $163.45 | 
| Market cap | $1.84B | 
|---|---|
| Enterprise value | N/A | 
| Shares outstanding | 199.24M | 
| Revenue | N/A | 
|---|---|
| EBITDA | N/A | 
| EBIT | N/A | 
| Net Income | N/A | 
| Revenue Q/Q | N/A | 
| Revenue Y/Y | N/A | 
| P/E ratio | N/A | 
|---|---|
| EV/Sales | N/A | 
| EV/EBITDA | N/A | 
| EV/EBIT | N/A | 
| P/S ratio | N/A | 
| P/B ratio | N/A | 
| Book/Share | N/A | 
| Cash/Share | N/A | 
| EPS | N/A | 
|---|---|
| ROA | N/A | 
| ROE | N/A | 
| Debt/Equity | 12.80 | 
|---|---|
| Net debt/EBITDA | N/A | 
| Current ratio | 0.81 | 
| Quick ratio | N/A |