Condensed Consolidated Balance Sheets - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 989.1	$ 1,361.9
Short-term investments	294.1	412.1
Accounts receivable, net of allowances	758.9	964.1
Prepaid expenses and other current assets	558.2	533.1
Total current assets	2,600.3	3,271.2
Property and equipment, net	743.6	762.3
Operating lease assets	185.8	184.6
Long-term investments	481.4	656.6
Purchased intangible assets, net	335.1	266.7
Goodwill	3,753.3	3,669.6
Other long-term assets	611.6	567.3
Total assets	8,711.1	9,378.3
Current liabilities:
Accounts payable	244.8	277.0
Accrued compensation	207.3	270.7
Deferred revenue	897.2	867.3
Short-term portion of long-term debt	0.0	421.5
Other accrued liabilities	258.4	324.6
Total current liabilities	1,607.7	2,161.1
Long-term debt	1,685.2	1,705.8
Long-term deferred revenue	434.5	418.5
Long-term income taxes payable	313.7	312.5
Long-term operating lease liabilities	164.0	163.5
Other long-term liabilities	76.4	73.4
Total liabilities	4,281.5	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; 327.4 shares and 327.7 shares issued and outstanding as of March 31, 2021 and December 31, 2020, respectively	0.0	0.0
Additional paid-in capital	7,110.9	7,156.9
Accumulated other comprehensive income	81.3	55.6
Accumulated deficit	(2,762.6)	(2,669.0)
Total stockholders' equity	4,429.6	4,543.5
Total liabilities and stockholders' equity	$ 8,711.1	$ 9,378.3