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Supplemental Cash Flow Information (Tables) | 3 Months Ended
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Mar. 31, 2025
Supplemental Cash Flow Elements [Abstract] |
Schedule of Cash Flow, Supplemental Disclosures | The reconciliation of net income to net cash provided by operating activities is as follows (in millions):
| Three Months Ended
| March 31,
| 2025 |  | 2024
Net income | $ | 64.0 |  |  | $ | 383.9 |
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Depreciation and amortization | 38.1 |  |  | 37.1 |
Reduction in the carrying amount of right-of-use assets | 10.1 |  |  | 10.7 |
Share-based compensation | 15.3 |  |  | 15.3 |
Gains from change in fair market value of equity securities and loan receivable | (31.8) |  |  | (422.2) |
Payments for operating lease liabilities | (11.0) |  |  | (10.9) |
Decrease in accounts receivable | 37.2 |  |  | 37.4 |
Increase in inventories | (17.9) |  |  | (8.8) |
Increase in other current assets | (5.6) |  |  | (26.3) |
Increase (decrease) in accounts payable and other current liabilities | 29.8 |  |  | (44.4) |
Increase in income taxes payable | 5.7 |  |  | 12.3 |
Increase (decrease) in deferred income taxes | (0.8) |  |  | 84.2 |
Decrease in other long-term liabilities | (4.8) |  |  | (0.4) |
Other | 1.6 |  |  | 1.9 |
Net cash provided by operating activities | $ | 129.9 |  |  | $ | 69.8 |
Non-cash investing activities: |  |  |
Purchased property, plant and equipment | $ | 3.4 |  |  | $ | 3.5 |
Purchased marketable securities and investments | $ | 2.7 |  |  | $ | 2.3 |

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