Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Millions	Jun. 30, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 1,756.9	$ 1,420.9
Short-term investments	587.1	527.1
Accounts receivable, net of allowances	750.3	780.7
Prepaid expenses and other current assets	359.5	183.7
Total current assets	3,453.8	2,912.4
Property and equipment, net	1,066.6	1,021.0
Long-term investments	1,147.1	1,244.2
Restricted cash and investments	65.2	36.2
Purchased intangible assets, net	69.1	33.9
Goodwill	3,001.6	2,981.3
Other long-term assets	259.4	378.9
Total assets	9,062.8	8,607.9
Current liabilities:
Short-term debt	0.0	299.9
Accounts payable	228.4	159.3
Accrued compensation	199.2	269.5
Deferred revenue	933.0	822.9
Other accrued liabilities	221.2	250.3
Total current liabilities	1,581.8	1,801.9
Long-term debt	2,132.5	1,637.5
Long-term deferred revenue	362.6	345.2
Long-term income taxes payable	199.8	187.3
Other long-term liabilities	109.9	61.6
Total liabilities	4,386.6	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; 382.8 shares and 384.0 shares issued and outstanding as of June 30, 2016 and December 31, 2015, respectively	0.0	0.0
Additional paid-in capital	8,277.0	8,334.8
Accumulated other comprehensive loss	(4.4)	(19.2)
Accumulated deficit	(3,596.4)	(3,741.2)
Total stockholders' equity	4,676.2	4,574.4
Total liabilities and stockholders' equity	$ 9,062.8	$ 8,607.9