Supplemental Cash Flow Information (Tables)

6 Months Ended

Jun. 30, 2026

Supplemental Cash Flow Elements [Abstract]

Schedule of Cash Flow, Supplemental Disclosures

The reconciliation of net income (loss) to net cash provided by operating activities is as follows (in millions):


			Six Months Ended
			June 30,
			2026						2025
Net income (loss)			$	(155.7)					$	381.8
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization			82.0						78.7
Reduction in the carrying amount of right-of-use assets			19.2						20.1
Share-based compensation			29.5						27.2

(Gains) losses from change in fair market value of equity securities and loan receivable			280.2						(366.2)


Payments for operating lease liabilities			(21.8)						(22.7)
Decrease in accounts receivable			13.2						11.5
(Increase) decrease in inventories			(37.7)						3.7
(Increase) decrease in other current assets			(18.8)						14.3
Increase in accounts payable and other current liabilities			26.1						34.5
Increase (decrease) in income taxes payable			37.7						(12.5)
Increase (decrease) in deferred income taxes			(57.2)						68.7
Increase in other long-term liabilities			6.6						0.5
Other			3.5						6.8
Net cash provided by operating activities			$	206.8					$	246.4

Non-cash investing activities:
Purchased property, plant and equipment			$	4.7					$	4.7
Purchased marketable securities and investments			$	9.9					$	2.4
Sold marketable securities and investments			$	5.1					$	—