Condensed Consolidated Balance Sheets - USD ($) $ in Millions	Jun. 30, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 1,460.3	$ 1,215.8
Short-term investments	397.6	738.0
Accounts receivable, net of allowances	754.7	879.7
Prepaid expenses and other current assets	388.6	376.3
Total current assets	3,001.2	3,209.8
Property and equipment, net	781.6	830.9
Operating lease assets	174.2	169.7
Long-term investments	712.4	589.8
Purchased intangible assets, net	161.3	185.8
Goodwill	3,337.1	3,337.1
Other long-term assets	573.7	514.6
Total assets	8,741.5	8,837.7
Current liabilities:
Accounts payable	238.0	219.5
Accrued compensation	215.7	229.0
Deferred revenue	834.5	812.9
Other accrued liabilities	308.1	282.5
Total current liabilities	1,596.3	1,543.9
Long-term debt	1,720.1	1,683.9
Long-term deferred revenue	377.1	410.5
Long-term income taxes payable	360.3	372.6
Long-term operating lease liabilities	162.1	158.1
Other long-term liabilities	61.3	58.1
Total liabilities	4,277.2	4,227.1
Commitments and contingencies (Note 13)
Stockholders' equity:
Convertible 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; 331.7 shares and 335.9 shares issued and outstanding as of June 30, 2020 and December 31, 2019, respectively	0.0	0.0
Additional paid-in capital	7,255.7	7,370.5
Accumulated other comprehensive loss	(22.9)	(18.5)
Accumulated deficit	(2,768.5)	(2,741.4)
Total stockholders' equity	4,464.3	4,610.6
Total liabilities and stockholders' equity	$ 8,741.5	$ 8,837.7