CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Apr. 01, 2012
Operating activities:
Net income	$ 18,432	$ 75,197
Adjustments:
Depreciation and amortization	44,285	45,368
Stock-based compensation expense	25,546	30,834
Non-cash restructuring of operations and other items, net	6,596	2,140
Gain on re-measurement of a pre-acquisition equity interest to fair value		(5,765)
(Gain)/loss on sale of property and equipment	(4)	25
Unrealized foreign exchange loss	589	1,461
Deferred taxes	(26)	(43,202)
Changes in assets and liabilities, net of assets acquired and liabilities assumed in business combination:
Accounts receivable, net	40,652	(44,845)
Inventories	25,123	3,453
Prepaid expenses and other assets	(7,955)	(2,290)
Accounts payable	(33,054)	47,119
Accrued and other liabilities	(57,354)	(59,270)
Net cash provided by operating activities	62,830	50,225
Investing activities:
Purchases of debt securities available-for-sale	(53,345)	(21,263)
Proceeds from maturities and sales of debt securities available-for-sale	24,117	9,506
Purchases of other investments	(750)
Purchases of property and equipment	(25,075)	(64,982)
Proceeds from sale of property and equipment	27	21
Acquisition of business, net of cash acquired		(319,231)
Net cash used in investing activities	(55,026)	(395,949)
Financing activities:
Issuances of common stock	8,165	65,274
Purchases of common stock under repurchase programs	(60,765)	(38,206)
Net cash (used in)/provided by financing activities	(52,600)	27,068
Effect of exchange rate changes on cash and cash equivalents	(1,507)	(495)
Net change in cash and cash equivalents	(46,303)	(319,151)
Cash and cash equivalents at beginning of period	471,528	779,811
Cash and cash equivalents at end of period	$ 425,225	$ 460,660