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v3.25.3

Intangible Assets, Goodwill and Other (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Dec. 31, 2024 | May 01, 2024
Goodwill [Line Items] |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net | $ 0.0 |  | $ 0.0 |  | $ 48.6 |
Intangible Assets, Net (Excluding Goodwill) | 2.7 |  | 2.7 |  | 4.3 |
Goodwill and intangible assets | 2.7 |  | 2.7 |  | $ 52.9 |
Goodwill, Measurement Period Adjustment |  |  | (0.7) |  |  |
Goodwill, Impairment Loss | 48.0 | $ 0.0 | 48.0 | $ 0.0 |  |
Amortization of Intangible Assets |  |  | (1.6) |  |  |
Manchester Industries, Mill Acquisition |  |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |  |
Goodwill, Impairment Loss |  |  | 35.1 |  |  |
Augusta, Georgia Mill Acquisition [Member] |  |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net | $ 12.9 |  | 12.9 |  |  | $ 13.7
Goodwill, Measurement Period Adjustment |  |  | (0.8) |  |  |
Goodwill, Impairment Loss |  |  | $ 12.9 |  |  |

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