CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Millions, $ in Millions |
3 Months Ended | 6 Months Ended | ||||
|---|---|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
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| Net sales | ||||||
| Total net sales | $ 752.1 | $ 628.1 | $ 1,401.3 | $ 1,262.0 | ||
| Cost of goods sold | [1] | 524.2 | 594.5 | 1,054.6 | 1,171.1 | |
| Gross profit | 227.9 | 33.6 | 346.7 | 90.9 | ||
| Selling, general and administrative expenses | 15.9 | 14.0 | 41.7 | 26.5 | ||
| Gain on the sale of Hawesville | 0.0 | 0.0 | (287.9) | 0.0 | ||
| Other operating expenses - net | 0.4 | 1.5 | 7.3 | 3.5 | ||
| Operating income | 211.6 | 18.1 | 585.6 | 60.9 | ||
| Interest income | 4.4 | 1.9 | 7.5 | 3.7 | ||
| Gain on insurance proceeds - net | 40.1 | 0.0 | 73.1 | 0.0 | ||
| Other income (loss) - net | 3.8 | (5.7) | (1.7) | (9.1) | ||
| Income (loss) before income taxes | 256.9 | (13.0) | 585.7 | 11.0 | ||
| Income tax (expense) benefit | (12.1) | 1.3 | (13.9) | (0.3) | ||
| Equity in losses of unconsolidated subsidiaries | (1.0) | 0.0 | (1.0) | 0.0 | ||
| Net income (loss) | 243.8 | (11.7) | 570.8 | 10.7 | ||
| Net loss attributable to noncontrolling interests | (5.5) | (7.1) | (16.0) | (14.4) | ||
| Net income (loss) attributable to Century stockholders | 249.3 | (4.6) | 586.8 | 25.1 | ||
| Less: net income allocated to participating securities | 0.0 | 0.0 | 0.0 | 1.3 | ||
| Net income (loss) allocated to common stockholders | $ 249.3 | $ (4.6) | $ 586.8 | $ 23.8 | ||
| Net income (loss) attributable to Century stockholders per common share: | ||||||
| Basic (in dollars per share) | $ 2.52 | $ (0.05) | $ 5.93 | $ 0.26 | ||
| Diluted (in dollars per share) | $ 2.39 | $ (0.05) | $ 5.62 | $ 0.25 | ||
| Weighted-average common shares outstanding: | ||||||
| Basic (in shares) | 99.0 | 93.3 | 99.0 | 93.3 | ||
| Diluted (in shares) | 104.8 | 93.3 | 104.7 | 94.6 | ||
| Related Party | ||||||
| Net sales | ||||||
| Total net sales | $ 330.9 | $ 367.6 | $ 636.8 | $ 746.3 | ||
| Cost of goods sold | 104.3 | 51.8 | 168.5 | 140.1 | ||
| Interest expense | (0.6) | (1.9) | (1.2) | (3.7) | ||
| Nonrelated Party | ||||||
| Net sales | ||||||
| Total net sales | 421.2 | 260.5 | 764.5 | 515.7 | ||
| Interest expense | (9.5) | (9.8) | (19.4) | (19.8) | ||
| Net gain (loss) on forward and derivative contracts - nonaffiliates | $ 7.1 | $ (15.6) | $ (58.2) | $ (21.0) | ||
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- Definition The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount after tax of gain (loss) not previously recognized resulting from the disposal of a discontinued operation. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References No definition available.
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- Definition The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of income (loss) for proportionate share of equity method investee's income (loss). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount, before tax, of income (loss) including portion attributable to noncontrolling interest. Includes, but is not limited to, income (loss) from continuing operations, discontinued operations and equity method investments. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount recovered from insurance. These recoveries reduce costs and losses that are reported as a separate line item under operating expenses. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of interest expense classified as nonoperating. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of interest income earned from interest bearing assets classified as other. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of Net Income (Loss) attributable to noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The net result for the period of deducting operating expenses from operating revenues. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of income (expense) related to nonoperating activities, classified as other. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The net amount of other operating income and expenses, the components of which are not separately disclosed on the income statement, from items that are associated with the entity's normal revenue producing operations. No definition available.
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- Definition The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of undistributed earnings (loss) allocated to participating securities for the basic earnings (loss) per share or per unit calculation under the two-class method. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- Definition Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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