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	$ 42,777	$ 282,129
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation and amortization	57,236	56,270
Non-cash losses (gains) on sale of fixed assets, net	264	(36,333)
Other non-cash gains, net	(7)	(6,526)
Provision for doubtful accounts receivable	11	94
Accretion of interest on long-term debt	775	570
Stock-based compensation expense	56,038	49,604
Excess tax benefit on stock-based compensation	(1,897)	(22,328)
Non-cash acquisition-related and other charges	1,690	0
Changes in operating assets and liabilities, net of acquisitions
Accounts receivable, net	(35,409)	(12,325)
Inventories	23,211	(103,562)
Current and other assets	20,424	10,169
Trade accounts payable	24,394	(28,809)
Accrued and other liabilities	(55,255)	1,191
Deferred income on shipments to distributors	(12,185)	(12,368)
Net cash provided by operating activities	122,067	177,776
Cash flows from investing activities
Acquisitions of fixed assets	(31,823)	(74,944)
Proceeds from the sale of business	25,000	1,597
Proceeds from the sale of fixed assets	0	47,250
Acquisition of businesses, net of cash	0	(819)
Acquisitions of intangible assets	(3,000)	(3,000)
Sales or maturities of marketable securities	4,450	15,242
Decrease in long-term restricted cash	5,000	0
Net cash used in investing activities	(373)	(14,674)
Cash flows from financing activities
Principal payments on debt	0	(85)
Repurchase of common stock	(163,404)	(169,083)
Proceeds from issuance of common stock	14,643	26,588
Tax payments related to shares withheld for vested restricted stock units	(15,161)	(64,999)
Excess tax benefit on stock-based compensation	1,897	22,328
Net cash used in financing activities	(162,025)	(185,251)
Effect of exchange rate changes on cash and cash equivalents	(2,094)	(1,251)
Net decrease in cash and cash equivalents	(42,425)	(23,400)
Cash and cash equivalents at beginning of the period	329,431	501,455
Cash and cash equivalents at end of the period	$ 287,006	$ 478,055