Supplemental Cash Flow Information (Details) - USD ($) $ in Millions |
12 Months Ended | |
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Dec. 31, 2025 |
Dec. 31, 2024 |
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| Disclosure of Cash Flow Statement [Abstract] | ||
| Amounts receivable | $ 0.8 | $ 2.7 |
| Inventories | (24.7) | 53.3 |
| Advances and prepaid expenses | (4.5) | 2.0 |
| Accounts payable and accrued liabilities | 12.9 | (40.9) |
| Income taxes (paid) refunded | (113.5) | (82.2) |
| Increase (decrease) in working capital | $ (129.0) | $ (65.1) |
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- Definition Adjustments for Accounts Payable and Accrued Liabilities1 No definition available.
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- Definition Adjustments for Advances and Prepaid Expense No definition available.
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- Definition Disclosure of Cash Flow Statement [Abstract] No definition available.
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- References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The cash flows from income taxes paid or refunded. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The increase (decrease) in working capital. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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