Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 29, 2013	Sep. 30, 2012
Operating activities:
Net income	$ 79,611	$ 173,575
Adjustments:
Depreciation and amortization	136,167	136,318
Stock-based compensation expense	67,620	83,538
Non-cash restructuring of operations and other items, net	6,415	5,739
Gain on re-measurement of a pre-acquisition equity interest to fair value	0	(5,765)
Gain on sale of investments		(2,550)
(Gain)/loss on sale of property and equipment	(58)	2,574
Unrealized foreign exchange gain	(3,706)	(80)
Deferred taxes	(467)	(43,246)
Changes in assets and liabilities, net of assets acquired and liabilities assumed in business combination:
Accounts receivable, net	(28,915)	931
Inventories	36,006	(4,864)
Prepaid expenses and other assets	(10,515)	(720)
Accounts payable	(38,787)	4,335
Accrued and other liabilities	(39,792)	(70,481)
Net cash provided by operating activities	203,579	279,304
Investing activities:
Purchases of debt securities available-for-sale	(163,119)	(94,456)
Proceeds from maturities and sales of debt securities available-for-sale	93,703	29,523
Purchases of other investments	(750)
Proceeds from sale of other investments		2,550
Purchases of property and equipment	(65,054)	(103,285)
Proceeds from sale of property and equipment	265	1,626
Increase in restricted cash	(3,821)
Acquisition of business, net of cash acquired		(319,231)
Net cash used in investing activities	(138,776)	(483,273)
Financing activities:
Issuances of common stock	41,305	90,643
Payment of dividends to stockholders	(16,311)
Purchases of common stock under repurchase programs	(163,487)	(226,247)
Net cash used in financing activities	(138,493)	(135,604)
Effect of exchange rate changes on cash and cash equivalents	(1,587)	269
Net change in cash and cash equivalents	(75,277)	(339,304)
Cash and cash equivalents at beginning of period	471,528	779,811
Cash and cash equivalents at end of period	$ 396,251	$ 440,507