Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Millions	Sep. 30, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 1,689.0	$ 1,420.9
Short-term investments	632.7	527.1
Accounts receivable, net of allowances	753.6	780.7
Prepaid expenses and other current assets	354.1	183.7
Total current assets	3,429.4	2,912.4
Property and equipment, net	1,067.0	1,021.0
Long-term investments	1,158.4	1,244.2
Restricted cash and investments	89.8	36.2
Purchased intangible assets, net	113.2	33.9
Goodwill	3,048.4	2,981.3
Other long-term assets	239.0	378.9
Total assets	9,145.2	8,607.9
Current liabilities:
Short-term debt	0.0	299.9
Accounts payable	208.4	159.3
Accrued compensation	174.3	269.5
Deferred revenue	918.5	822.9
Other accrued liabilities	207.2	250.3
Total current liabilities	1,508.4	1,801.9
Long-term debt	2,133.1	1,637.5
Long-term deferred revenue	385.6	345.2
Long-term income taxes payable	205.1	187.3
Other long-term liabilities	140.5	61.6
Total liabilities	4,372.7	4,033.5
Commitments and contingencies (Note 15)
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; 380.1 shares and 384.0 shares issued and outstanding as of September 30, 2016 and December 31, 2015, respectively	0.0	0.0
Additional paid-in capital	8,256.3	8,334.8
Accumulated other comprehensive loss	(13.4)	(19.2)
Accumulated deficit	(3,470.4)	(3,741.2)
Total stockholders' equity	4,772.5	4,574.4
Total liabilities and stockholders' equity	$ 9,145.2	$ 8,607.9