Condensed Consolidated Statements of Cash Flows (USD $) In Thousands	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Cash flows from operating activities:
Net loss	$ (375,414)	$ (365,277)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization expense	17,567	15,496
Stock-based compensation expense	59,758	43,782
Other non-cash based compensation expense	4,408	3,497
Secured notes (due 2012) discount amortization expense	9,187	6,570
Change in fair value of derivative instruments	7,818	28,723
Deferred income taxes	9,330
Loss on disposal of property and equipment		22
Other non-cash items, net	(223)
Changes in operating assets and liabilities, excluding the effect of the acquisition of a variable interest entity (Alios):
Accounts receivable, net	(83,714)	6,045
Inventories	(52,086)
Prepaid expenses and other current assets	(8,692)	(9,400)
Accounts payable	30,147	9,636
Accrued expenses and other liabilities	995	(16,884)
Accrued restructuring expense	(1,390)	(93)
Accrued interest	(112)	(431)
Income taxes payable (Alios)	15,212
Deferred revenues	(35,614)	(27,035)
Net cash used in operating activities	(402,823)	(305,349)
Cash flows from investing activities:
Purchases of marketable securities	(135,109)	(321,252)
Sales and maturities of marketable securities	788,029	518,141
Payment for acquisition of a variable interest entity (Alios)	(60,000)
Expenditures for property and equipment	(15,281)	(12,796)
(Increase) decrease in restricted cash and cash equivalents	1,453	(3,777)
Increase in other assets	(350)	(906)
Net cash provided by investing activities	578,742	179,410
Cash flows from financing activities:
Issuances of common stock from employee benefit plans	88,673	17,137
Payments to redeem a portion of secured notes (due 2012)	(50,000)
Debt conversion costs		(22)
Net cash provided by financing activities	38,673	17,115
Effect of changes in exchange rates on cash	406	(226)
Net increase (decrease) in cash and cash equivalents	214,998	(109,050)
Cash and cash equivalents-beginning of period	243,197	446,658
Cash and cash equivalents-end of period	458,195	337,608
Supplemental disclosure of cash flow information:
Cash paid for interest	6,812	761
Conversion of convertible senior subordinated notes (due 2013) for common stock		32,071
Accrued interest offset to additional paid-in capital on conversion of convertible senior subordinated notes (due 2013)		140
Unamortized debt issuance costs of converted convertible senior subordinated notes (due 2013) offset to additional paid-in capital		624
Capitalization of construction in-process related to financing lease transactions	$ 9,887