Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2023	Mar. 31, 2022
Cash flows from operating activities:
Net income		$ 85.4	$ 55.7
Adjustments to reconcile net income to net cash provided by operating activities:
Share-based compensation expense		60.9	45.2
Depreciation, amortization, and accretion		49.4	56.3
Operating lease assets expense		10.1	10.1
Loss from equity method investment		2.1	0.0
Other		3.7	6.8
Changes in operating assets and liabilities, net of acquisitions:
Accounts receivable, net		166.1	145.5
Inventory	[1]	(145.7)	(47.8)
Prepaid expenses and other assets		(84.3)	(105.9)
Accounts payable		15.4	44.6
Accrued compensation		(78.4)	(95.4)
Income taxes payable		29.6	25.5
Other accrued liabilities		(19.0)	(0.7)
Deferred revenue		96.2	53.2
Net cash provided by operating activities		191.5	193.1
Cash flows from investing activities:
Purchases of property and equipment		(42.1)	(25.0)
Purchases of available-for-sale debt securities		(5.0)	(58.1)
Proceeds from sales of available-for-sale debt securities		14.0	33.3
Proceeds from maturities and redemptions of available-for-sale debt securities		69.4	123.6
Purchases of equity securities		(2.4)	(9.3)
Proceeds from sales of equity securities		7.4	2.2
Payments for business acquisitions, net of cash and cash equivalents acquired		0.0	(3.3)
Other		0.9	0.5
Net cash provided by investing activities		42.2	63.9
Cash flows from financing activities:
Repurchase and retirement of common stock		(151.3)	(126.3)
Proceeds from issuance of common stock		31.1	28.6
Payment of dividends		(70.6)	(67.5)
Net cash used in financing activities		(190.8)	(165.2)
Effect of foreign currency exchange rates on cash, cash equivalents, and restricted cash		1.2	(1.7)
Net increase in cash, cash equivalents, and restricted cash		44.1	90.1
Cash, cash equivalents, and restricted cash at beginning of period		897.7	942.7
Cash, cash equivalents, and restricted cash at end of period		$ 941.8	$ 1,032.8

[1] The prior period amount has been reclassified to conform to the current period presentation.