Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 1,353,040	$ 1,313,349
Marketable securities	32,803	32,860
Accounts receivable, net	13,553	14,974
Deferred tax assets and other current assets	74,287	86,598
Total current assets	1,473,683	1,447,781
Property and equipment, net	328,474	327,136
Goodwill and other intangible assets, net	53,525	53,848
Other assets	27,078	27,414
Total long-term assets	409,077	408,398
Total assets	1,882,760	1,856,179
Current liabilities:
Accounts payable and accrued liabilities	99,640	156,385
Deferred revenues	542,976	502,538
Total current liabilities	642,616	658,923
Long-term deferred revenues	240,314	226,033
Convertible debentures, including contingent interest derivative	592,821	590,086
Long-term deferred tax liabilities	333,181	325,527
Long-term Debt	100,000	100,000
Other long-term liabilities	45,161	43,717
Total long-term liabilities	1,311,477	1,285,363
Total liabilities	1,954,093	1,944,286
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	20,084,011	20,135,237
Accumulated deficit	(20,152,568)	(20,220,577)
Accumulated other comprehensive loss	(3,094)	(3,084)
Total stockholders' deficit	(71,333)	(88,107)
Total liabilities and stockholders' deficit	$ 1,882,760	$ 1,856,179