Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities
Net income (loss)	$ 21,402	$ (34,691)
Depreciation and amortization	27,401	38,747
Recovery of receivables from foundry supplier	0	(522)
Write-off of equipment deposit	1,593	5,985
Write-off of equipment deposit	1,730	0
Realized gain on sales of marketable securities	(385)	0
Gain from foundry arrangements	0	(3,034)
Accretion of interest on long-term debt	660	526
Share-based compensation expense	30,895	22,242
Excess tax benefit on share-based compensation	(1,014)	(1,284)
Non-cash acquisition-related and other charges, net	89	(206)
Changes in operating assets and liabilities, net of acquisitions
Accounts receivable	7,844	(17,547)
Inventories	29,907	24,743
Current and other assets	15,964	(27,408)
Trade accounts payable	3,653	(23,548)
Accrued and other liabilities	(38,134)	20,123
Income taxes payable	(6,900)	(19,591)
Deferred income on shipments to distributors	4,028	12,124
Net cash provided by (used in) operating activities	98,733	(3,341)
Cash flows from investing activities
Acquisitions of fixed assets	(25,880)	(13,471)
Proceeds from the sale of business	0	5,092
Sales of marketable securities	3,071	0
Acquisition of businesses, net of cash acquired	0	(25,852)
Acquisitions of intangible assets	(1,995)	(2,760)
Net cash used in investing activities	(24,804)	(36,991)
Cash flows from financing activities
Repurchases of common stock	(83,499)	(29,173)
Proceeds from issuance of common stock	7,096	7,825
Tax payments related to shares withheld for vested restricted stock units	(10,767)	(8,305)
Excess tax benefit on share-based compensation	1,014	1,284
Net cash used in financing activities	(86,156)	(28,369)
Effect of exchange rate changes on cash and cash equivalents	(683)	(668)
Net decrease in cash and cash equivalents	(12,910)	(69,369)
Cash and cash equivalents at beginning of the period	276,881	293,370
Cash and cash equivalents at end of the period	$ 263,971	$ 224,001