Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Cash flows from operating activities:
Net income (loss)	$ 26,941	$ (146,962)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization expense	25,818	25,317
Stock-based compensation expense	86,649	89,172
Other non-cash based compensation expense	8,070	6,396
Intangible asset impairment charge		105,800
Secured notes (due 2012) discount amortization expense		11,856
Change in fair value of derivative instruments		15,933
Deferred income taxes	35,759	(18,244)
Loss on disposal of property and equipment	46
Write-down of inventories to net realizable value	78,000
Other non-cash items, net	(350)	14
Changes in operating assets and liabilities, excluding the effect of the acquisition of a variable interest entity (Alios):
Accounts receivable, net	43,538	(433,132)
Inventories	(32,419)	(66,824)
Prepaid expenses and other current assets	(22,698)	(10,053)
Accounts payable	1,359	12,103
Accrued expenses and other liabilities	20,231	94,704
Excess tax benefit from share-based payment arrangements	(1,097)
Accrued restructuring expense	(2,158)	(3,011)
Income taxes payable (Alios)	(8,204)	9,755
Deferred revenues	(32,203)	(52,752)
Net cash provided by (used in) operating activities	227,282	(359,928)
Cash flows from investing activities:
Purchases of marketable securities	(1,309,044)	(251,089)
Sales and maturities of marketable securities	941,314	923,123
Payment for acquisition of a variable interest entity (Alios)		(60,000)
Expenditures for property and equipment	(43,094)	(25,266)
Decrease (increase) in restricted cash	1,923	(29)
Decrease (increase) in restricted cash and cash equivalents (Alios)	(23,075)	13,994
Increase in other assets	(997)	(545)
Net cash provided by (used in) investing activities	(432,973)	600,188
Cash flows from financing activities:
Excess tax benefit from share-based payment arrangements	1,097
Issuances of common stock from employee benefit plans	174,950	108,742
Payments on capital lease obligations	(2,408)
Payments on facility lease obligation	(6,272)
Payments to redeem a portion of secured notes (due 2012)		(50,000)
Net cash provided by financing activities	167,367	58,742
Effect of changes in exchange rates on cash	(110)	346
Net increase (decrease) in cash and cash equivalents	(38,434)	299,348
Cash and cash equivalents-beginning of period	475,320	243,197
Cash and cash equivalents-end of period	436,886	542,545
Supplemental disclosure of cash flow information:
Cash paid for interest	6,700	6,812
Capitalization of Fan Pier buildings related to financing lease transactions	167,996	24,179
Assets acquired under capital lease	$ 27,552