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 including non-controlling interests	$ 247.7	$ 138.3
Adjustments to reconcile net income to net cash provided by operating activities:
Stock-based compensation	56.3	53.2
Amortization of deferred contract costs	62.5	52.5
Depreciation and amortization	27.5	25.5
Amortization of investment premiums (discounts)	(0.3)	1.7
Loss from equity method investment	22.1	8.5
Other	3.8	8.4
Changes in operating assets and liabilities, net of impact of business combinations:
Accounts receivable—net	171.1	15.4
Inventory	(45.3)	(13.5)
Prepaid expenses and other current assets	(16.0)	(26.0)
Deferred contract costs	(81.2)	(66.6)
Deferred tax assets	(81.1)	(87.6)
Other assets	4.5	(20.6)
Accounts payable	(4.1)	35.5
Accrued liabilities	80.0	68.2
Accrued payroll and compensation	(6.0)	(13.6)
Other liabilities	(4.7)	11.3
Deferred revenue	240.7	205.5
Net cash provided by operating activities	677.5	396.1
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of investments	(207.2)	(385.2)
Sales of investments	0.0	3.0
Maturities of investments	195.0	459.4
Purchases of property and equipment	(30.3)	(122.6)
Other	0.1	0.0
Net cash used in investing activities	(42.4)	(45.4)
CASH FLOWS FROM FINANCING ACTIVITIES:
Repurchase and retirement of common stock	0.0	(691.2)
Proceeds from issuance of common stock	21.2	11.0
Taxes paid related to net share settlement of equity awards	(34.5)	(64.8)
Other	(0.4)	(1.0)
Net cash used in financing activities	(13.7)	(746.0)
EFFECT OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS	(0.1)	(0.3)
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	621.3	(395.6)
CASH AND CASH EQUIVALENTS—Beginning of period	1,682.9	1,319.1
CASH AND CASH EQUIVALENTS—End of period	2,304.2	923.5
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION:
Cash paid for income taxes—net	20.7	18.8
Operating lease liabilities arising from obtaining right-of-use assets	4.7	24.6
NON-CASH INVESTING AND FINANCING ACTIVITIES:
Transfers of evaluation units from inventory to property and equipment	6.9	2.9
Liability for purchase of property and equipment	$ 18.8	$ 15.5