Condensed Consolidated Balance Sheets - USD ($) $ in Millions		Jun. 30, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents		$ 986.7	$ 1,361.9
Short-term investments		335.5	412.1
Accounts receivable, net of allowances		768.3	964.1
Inventory*	[1]	211.5	210.2
Prepaid expenses and other current assets*	[1]	344.1	322.9
Total current assets		2,646.1	3,271.2
Property and equipment, net		725.1	762.3
Operating lease assets		180.9	184.6
Long-term investments		493.2	656.6
Purchased intangible assets, net		315.3	266.7
Goodwill		3,754.1	3,669.6
Other long-term assets		608.7	567.3
Total assets		8,723.4	9,378.3
Current liabilities:
Accounts payable		259.8	277.0
Accrued compensation		264.2	270.7
Deferred revenue		891.2	867.3
Short-term portion of long-term debt		0.0	421.5
Other accrued liabilities		275.7	324.6
Total current liabilities		1,690.9	2,161.1
Long-term debt		1,694.4	1,705.8
Long-term deferred revenue		440.1	418.5
Long-term income taxes payable		324.5	312.5
Long-term operating lease liabilities		160.7	163.5
Other long-term liabilities		71.9	73.4
Total liabilities		4,382.5	4,834.8
Commitments and contingencies (Note 15)
Stockholders' equity:
Preferred stock, $0.00001 par value; 10.0 shares authorized; none issued and outstanding		0.0	0.0
Common stock, $0.00001 par value; 1,000.0 shares authorized; 324.0 shares and 327.7 shares issued and outstanding as of June 30, 2021 and December 31, 2020, respectively		0.0	0.0
Additional paid-in capital		7,042.8	7,156.9
Accumulated other comprehensive income		55.9	55.6
Accumulated deficit		(2,757.8)	(2,669.0)
Total stockholders' equity		4,340.9	4,543.5
Total liabilities and stockholders' equity		$ 8,723.4	$ 9,378.3

[1] The prior period amount has been reclassified to conform to the current period presentation. Previously, Inventory was reported as Prepaid expenses and other current assets.