Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Apr. 01, 2012	Apr. 03, 2011
Operating activities:
Net income	$ 75,197	$ 10,154
Adjustments:
Depreciation and amortization	45,368	56,007
Stock-based compensation expense	30,834	13,986
Non-cash restructuring of operations and other items, net	2,140	10,824
Gain on re-measurement of a pre-acquisition equity interest to fair value	(5,765)
Loss/(gain) on sale of property and equipment	25	(239)
Unrealized foreign exchange loss	1,461	1,379
Deferred taxes	(43,202)	(43)
Changes in assets and liabilities, net of assets acquired and liabilities assumed in business combination:
Accounts receivable	(44,845)	40,471
Inventories	3,453	(12,651)
Prepaid expenses and other assets	(2,290)	(1,066)
Accounts payable	47,119	24,273
Accrued and other liabilities	(59,270)	(35,066)
Net cash provided by operating activities	50,225	108,029
Investing activities:
Purchases of debt securities available-for-sale	(21,263)	(15,530)
Proceeds from maturities and sales of debt securities available-for-sale	9,506	12,958
Purchases of property and equipment	(64,982)	(21,542)
Proceeds from sale of property and equipment	21	310
Acquisition of SandForce, net of cash acquired	(319,231)
Net cash used in investing activities	(395,949)	(23,804)
Financing activities:
Issuances of common stock	65,274	17,319
Purchase of common stock under repurchase program	(38,206)	(96,791)
Net cash provided by/(used in) financing activities	27,068	(79,472)
Effect of exchange rate changes on cash and cash equivalents	(495)	(11)
Net change in cash and cash equivalents	(319,151)	4,742
Cash and cash equivalents at beginning of period	779,811	521,786
Cash and cash equivalents at end of period	$ 460,660	$ 526,528