Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Cash flow from operating activities:
Net income	$ 319.5	$ 240.5
Adjustments to reconcile net income to net cash flow from operating activities:
Depreciation and amortization	204.4	183.2
Excess and obsolescence charges related to inventory	4.8	7.3
Amortization of acquired inventory step-up	107.6	51.4
Share-based compensation	84.0	81.0
Contingent consideration	20.5	9.6
Deferred income taxes	23.6	(27.8)
(Gain) loss on strategic investments	(19.0)	40.9
Other	28.0	6.7
Changes in operating assets and liabilities, net of effects of business acquired:
Inventory	116.2	62.0
Accrued expense and other current liabilities	(243.2)	(300.5)
Income tax assets and liabilities	18.4	69.1
Other changes in operating assets and liabilities, net	(89.0)	(53.5)
Net cash flow provided by (used in) operating activities	645.5	259.3
Cash flow from investing activities:
Purchases of property, plant and equipment	(51.2)	(37.1)
Proceeds from sales and maturities of marketable securities	625.2	0.0
Purchases of marketable securities	(748.8)	0.0
Acquired in-process research and development	(35.0)	0.0
Acquisitions of intangible assets	0.0	(10.0)
Proceeds from sales of strategic investments	0.5	0.0
Other	(0.2)	(0.2)
Net cash flow provided by (used in) investing activities	(209.5)	(47.3)
Cash flow from financing activities:
Payments related to issuance of stock for share-based compensation arrangements, net	(55.1)	(24.3)
Other	11.3	1.3
Net cash flow provided by (used in) financing activities	(43.8)	(23.0)
Net increase (decrease) in cash and cash equivalents	392.2	189.0
Effect of exchange rate changes on cash and cash equivalents	(18.0)	34.3
Cash and cash equivalents, beginning of the period	3,008.5	2,375.0
Cash and cash equivalents, end of the period	3,382.7	2,598.3
Nonrelated Party
Changes in operating assets and liabilities, net of effects of business acquired:
Accounts receivable	(33.7)	(181.0)
Related Party
Changes in operating assets and liabilities, net of effects of business acquired:
Accounts receivable	$ 103.4	$ 70.4