Supplemental Cash Flow Information (Tables)

3 Months Ended

Mar. 31, 2025

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