Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Adjustments to reconcile net (loss) income to net cash (used in) provided by operating activities
Net (loss) income	$ (34,691)	$ 21,141
Depreciation and amortization	38,747	37,816
Non-cash losses on sale of fixed assets, net	0	463
Gain from foundry arrangements	(3,034)	0
Recovery of receivables from foundry suppliers	(522)	0
Other non-cash gains, net	(1,188)	(84)
(Recovery of) provision for doubtful accounts receivable	(38)	21
Accretion of interest on long-term debt	526	479
Share-based compensation expense	22,242	37,809
Excess tax benefit on share-based compensation	(1,284)	0
Non-cash acquisition-related and other charges	1,020	1,859
Changes in operating assets and liabilities, net of acquisitions
Accounts receivable	(17,547)	(27,087)
Inventories	24,743	28,364
Current and other assets	(37,637)	9,368
Trade accounts payable	(23,548)	10,175
Accrued and other liabilities	16,746	(40,709)
Deferred income on shipments to distributors	12,124	(11,106)
Net cash (used in) provided by operating activities	(3,341)	68,509
Cash flows from investing activities
Acquisitions of fixed assets	(13,471)	(16,107)
Proceeds from the sale of business	5,092	0
Acquisition of businesses, net of cash acquired	(25,852)	0
Acquisitions of intangible assets	(2,760)	(2,000)
Sales or maturities of marketable securities	0	2,450
Decrease in long-term restricted cash	0	5,000
Net cash used in investing activities	(36,991)	(10,657)
Cash flows from financing activities
Repurchases of common stock	(29,173)	(140,622)
Proceeds from issuance of common stock	7,825	8,272
Tax payments related to shares withheld for vested restricted stock units	(8,305)	(11,263)
Excess tax benefit on share-based compensation	1,284	0
Net cash used in financing activities	(28,369)	(143,613)
Effect of exchange rate changes on cash and cash equivalents	(668)	(2,762)
Net decrease in cash and cash equivalents	(69,369)	(88,523)
Cash and cash equivalents at beginning of the period	293,370	329,431
Cash and cash equivalents at end of the period	$ 224,001	$ 240,908