Supplemental Cash Flow Information (Tables)

6 Months Ended

Jun. 30, 2025

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


	Six Months Ended
	June 30,
	2025		2024
Net income (loss)	$	381.8	$	(1,781.6)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	78.7		73.5
Reduction in the carrying amount of right-of-use assets	20.1		20.9
Share-based compensation	27.2		30.3

(Gains) losses from change in fair market value of equity securities and loan receivable	(366.2)		2,473.2


Payments for operating lease liabilities	(22.7)		(21.4)
Decrease in accounts receivable	11.5		33.0
(Increase) decrease in inventories	3.7		(31.2)
(Increase) decrease in other current assets	14.3		(31.0)
Increase (decrease) in accounts payable and other current liabilities	34.5		(26.6)
Increase (decrease) in income taxes payable	(12.5)		5.6
Increase (decrease) in deferred income taxes	68.7		(575.1)
Increase (decrease) in other long-term liabilities	0.5		(0.2)
Other	6.8		(2.0)
Net cash provided by operating activities	$	246.4	$	167.4

Non-cash investing activities:
Purchased property, plant and equipment	$	4.7	$	7.8
Purchased marketable securities and investments	$	2.4	$	2.2
Sold marketable securities and investments	$	—	$	9.8