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Income Tax Matters (Tables) | 9 Months Ended
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Sep. 30, 2025
Income Tax Disclosure [Abstract] |
Income Tax Provision by Region | The following table presents the income tax provision by region (in millions of dollars):
|  | Quarter Ended September 30, |  |  | Nine Months Ended September 30, |
|  | 2025 |  |  | 2024 As Adjusted 1 |  |  | 2025 |  |  | 2024 As Adjusted 1 |
Domestic |  | $ | (8.0 | ) |  | $ | (1.8 | ) |  | $ | (20.6 | ) |  | $ | (12.0 | )
Foreign |  |  | (0.3 | ) |  |  | (0.6 | ) |  |  | (1.6 | ) |  |  | (1.6 | )
Total |  | $ | (8.3 | ) |  | $ | (2.4 | ) |  | $ | (22.2 | ) |  | $ | (13.6 | )
1. Adjusted to reflect the retrospective change in inventory valuation methodology from LIFO to WAC. See Note 14 for further discussion.

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- Definition Tabular disclosure of income before income tax between domestic and foreign jurisdictions. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480738/235-10-S50-1 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(h)(1)(Note 1)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1 + Details
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