Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 237,361	$ 339,223
Marketable securities	1,308,110	1,384,062
Accounts receivable, net	13,810	13,631
Other Assets, Current	37,762	66,283
Total current assets	1,597,043	1,803,199
Property and equipment, net	323,782	339,653
Goodwill	52,527	52,527
Deferred Tax Assets, Net of Valuation Allowance, Noncurrent	322,596	437,643
Other long-term assets	26,686	27,745
Total long-term assets	725,591	857,568
Total assets	2,322,634	2,660,767
Current liabilities:
Accounts payable and accrued liabilities	129,516	149,276
Deferred revenues	623,860	595,221
Convertible Debentures, including contingent interest derivative	618,136	624,056
Deferred Tax Liabilities, Net, Current	471,558	660,633
Total current liabilities	1,843,070	2,029,186
Long-term deferred revenues	266,591	260,615
Senior Notes	750,000	750,000
Other long-term liabilities	95,825	44,524
Total long-term liabilities	1,112,416	1,055,139
Total liabilities	2,955,486	3,084,325
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: 321,375 at June 30, 2014 and 320,358 at December 31, 2013; Outstanding shares: 125,993 at June 30, 2014 and 133,724 at December 31, 2013	321	320
Additional paid-in capital	18,531,430	18,935,302
Accumulated deficit	(19,161,496)	(19,356,095)
Accumulated other comprehensive loss	(3,107)	(3,085)
Total stockholders' deficit	(632,852)	(423,558)
Total liabilities and stockholders' deficit	$ 2,322,634	$ 2,660,767