Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Adjustments to reconcile net income (loss) to net cash provided by operating activities
Net income (loss)	$ (22,055)	$ 30,445	$ 314,990
Depreciation and amortization	75,084	76,933	76,986
Curtailment gain	(1,607)	0	0
(Gain) loss from foundry arrangement	(3,034)	10,628	0
(Recovery) impairment of receivable from foundry supplier	(600)	6,495	0
Asset impairment charges	7,502	0	0
Non-cash (gains) losses on sale of fixed assets, net	(886)	264	(36,333)
Deferred income taxes	(8,660)	(23,459)	44,233
Realized loss (gain) on short-term investments	0	1,037	(6,240)
Accretion of interest on long-term debt	1,113	1,017	784
Share-based compensation expense	43,124	72,442	68,125
Excess tax benefit on share-based compensation	(2,260)	(1,264)	(2,650)
Non-cash acquisition-related and other (credits) charges	(1,223)	2,916	(14)
Changes in operating assets and liabilities, net of acquisitions
Accounts receivable	(18,171)	24,362	19,787
Inventories	69,460	10,250	(100,695)
Current and other assets	(14,050)	32,406	(15,932)
Trade accounts payable	(13,655)	38,644	(60,113)
Accrued and other liabilities	12,912	(66,255)	(47,055)
Income taxes payable	(9,238)	2,251	(15,639)
Deferred income on shipments to distributors	13,368	(18,394)	(19,088)
Net cash provided by operating activities	127,124	200,718	221,146
Cash flows from investing activities
Acquisitions of fixed assets	(35,117)	(38,289)	(84,564)
Proceeds from the sale of business	5,092	26,908	1,597
Proceeds from the sale of fixed assets	3,100	0	47,250
Acquisition of businesses, net of cash acquired	(25,852)	(43,499)	(20,256)
Acquisitions of intangible assets	(6,328)	(4,000)	(4,000)
Sales or maturities of marketable securities	0	4,450	16,739
Investment in private companies	0	(2,500)	0
Decrease in long-term restricted cash	0	5,000	0
Net cash used in investing activities	(59,105)	(51,930)	(43,234)
Cash flows from financing activities
Principal payments on debt and capital leases	(3,644)	0	(85)
Debt issuance cost	(2,051)	0	0
Repurchases of common stock	(87,781)	(179,579)	(304,236)
Proceeds from issuance of common stock	22,948	15,537	28,746
Tax payments related to shares withheld for vested restricted stock units	(20,315)	(19,830)	(73,286)
Excess tax benefit on share-based compensation	2,260	1,264	2,650
Net cash used in financing activities	(88,583)	(182,608)	(346,211)
Effect of exchange rate changes on cash and cash equivalents	4,075	(2,241)	(3,725)
Net decrease in cash and cash equivalents	(16,489)	(36,061)	(172,024)
Cash and cash equivalents at beginning of the period	293,370	329,431	501,455
Cash and cash equivalents at end of the period	276,881	293,370	329,431
Supplemental cash flow disclosures:
Interest paid	912	242	1,857
Income taxes paid	13,761	16,064	31,986
Supplemental non-cash investing and financing activities disclosures:
Increase (decreases) in accounts payable related to fixed assets purchases	4,825	(803)	(21,000)
Decreases in liabilities related to intangible assets purchases	(6,328)	(4,000)	(4,000)
Additional consideration payable related to acquisition	$ 0	$ 18,225	$ 0