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Supplemental Cash Flow Information (Tables) | 6 Months Ended
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Jun. 30, 2025
Supplemental Cash Flow Elements [Abstract] |
Schedule of Supplemental Cash Flow Information |
|  | Six Months Ended June 30, |
|  | 2025 |  |  | 2024 |
|  | (In millions of dollars) |
Interest paid |  | $ | 22.1 |  |  | $ | 21.0 |
Non-cash investing and financing activities (included in Accounts payable): |  |  |  |  |  |
Unpaid purchases of property and equipment |  | $ | 22.9 |  |  | $ | 32.5 |
Supplemental lease disclosures: |  |  |  |  |  |
Operating lease liabilities arising from obtaining operating lease assets |  | $ | 1.0 |  |  | $ | 0.5 |
Cash paid for amounts included in the measurement of operating lease liabilities |  | $ | 3.6 |  |  | $ | 4.0 |
Finance lease liabilities arising from obtaining finance lease assets |  | $ | 0.7 |  |  | $ | 2.0 |
|  | As of June 30, |
|  | 2025 |  |  | 2024 |
|  | (In millions of dollars) |
Components of cash, cash equivalents and restricted cash: |  |  |  |  |  |
Cash and cash equivalents |  | $ | 13.1 |  |  | $ | 70.4 |
Restricted cash included in Other assets 1 |  |  | 19.8 |  |  |  | 18.3 |
Total cash, cash equivalents and restricted cash presented on our Statements of Consolidated Cash Flows |  | $ | 32.9 |  |  | $ | 88.7 |
1. We are required to keep on deposit certain amounts that are pledged or held as collateral relating to workers’ compensation and other agreements. We account for such deposits as restricted cash. From time to time, such restricted funds could be returned to us or we could be required to pledge additional cash.

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