Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 177,871	$ 191,608
Marketable securities	1,713,087	1,233,076
Accounts receivable, net	14,714	13,448
Other Assets, Current	35,468	41,905
Total current assets	1,941,140	1,480,037
Property and equipment, net	297,299	319,028
Goodwill	52,527	52,527
Deferred Tax Assets, Net of Valuation Allowance, Noncurrent	262,243	266,954
Other long-term assets	24,096	15,918
Total long-term assets	636,165	654,427
Total assets	2,577,305	2,134,464
Current liabilities:
Accounts payable and accrued liabilities	180,106	190,278
Deferred revenues	660,417	621,307
Convertible Debentures, including contingent interest derivative	626,590	620,620
Deferred Tax Liabilities, Net, Current	512,779	477,781
Total current liabilities	1,979,892	1,909,986
Long-term deferred revenues	279,724	269,047
Senior Notes	1,234,890	740,175
Other long-term liabilities	114,209	98,722
Total long-term liabilities	1,628,823	1,107,944
Total liabilities	$ 3,608,715	$ 3,017,930
Commitments and contingencies
Stockholders' deficit:
Preferred stock-par value $.001 per share; Authorized shares: 5,000; Issued and outstanding shares: none	$ 0	$ 0
Common stock-par value $.001 per share; Authorized shares: 1,000,000; Issued shares: 322,968 at September 30, 2015 and 321,699 at December 31, 2014; Outstanding shares: 111,891 at September 30, 2015 and 118,452 at December 31, 2014	323	322
Additional paid-in capital	17,697,985	18,120,045
Accumulated deficit	(18,727,129)	(19,000,835)
Accumulated other comprehensive loss	(2,589)	(2,998)
Total stockholders' deficit	(1,031,410)	(883,466)
Total liabilities and stockholders' deficit	$ 2,577,305	$ 2,134,464

Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits.

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Balance Type:	credit
Period Type:	instant

- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.