Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 315,621	$ 1,313,349
Marketable securities	1,122,397	32,860
Accounts receivable, net	12,653	14,974
Deferred tax assets and other current assets	79,940	86,598
Total current assets	1,530,611	1,447,781
Property and equipment, net	329,328	327,136
Goodwill and other intangible assets, net	53,202	53,848
Other assets	28,883	27,414
Total long-term assets	411,413	408,398
Total assets	1,942,024	1,856,179
Current liabilities:
Accounts payable and accrued liabilities	112,508	156,385
Deferred revenues	560,127	502,538
Total current liabilities	672,635	658,923
Long-term deferred revenues	243,622	226,033
Convertible debentures, including contingent interest derivative	597,935	590,086
Long-term deferred tax liabilities	341,733	325,527
Long-term Debt	100,000	100,000
Other long-term liabilities	45,294	43,717
Total long-term liabilities	1,328,584	1,285,363
Total liabilities	2,001,219	1,944,286
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: 317,722 at March 31, 2012 and 316,781 at December 31, 2011; Outstanding shares: 158,352 at March 31, 2012 and 159,422 at December 31, 2011	318	317
Additional paid-in capital	20,027,665	20,135,237
Accumulated deficit	(20,084,096)	(20,220,577)
Accumulated other comprehensive loss	(3,082)	(3,084)
Total stockholders' deficit	(59,195)	(88,107)
Total liabilities and stockholders' deficit	$ 1,942,024	$ 1,856,179