Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands	9 Months Ended
	Sep. 30, 2011	Oct. 01, 2010
Cash Flows from Operating Activities:
Net income	$ 624,100	$ 551,271
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	23,443	20,276
Stock-based compensation	59,983	44,898
Deferred income tax benefit	(9,549)	(16,493)
Tax effect of employee stock plans	26,077	14,602
Excess tax benefit from employee stock plans	(22,959)	(12,879)
Changes in assets and liabilities:
Accounts receivable, net	(23,228)	(128,668)
Inventories	12,496	(38,448)
Other assets	47,986	(43,946)
Accounts payable and other liabilities	(40,004)	112,788
Deferred income and allowances on sales to distributors	11,115	103,665
Income taxes payable	30,122	42,358
Deferred compensation plan obligations	(345)	(2,880)
Net cash provided by operating activities	739,237	646,544
Cash Flows from Investing Activities:
Purchases of property and equipment	(23,178)	(6,325)
Sales of deferred compensation plan securities, net	345	2,880
Purchases of available-for-sale securities	(130,146)	0
Proceeds from sale and maturity of available-for-sale securities	1,750	0
Purchases of intangible assets	0	(1,500)
Net cash used in investing activities	(151,229)	(4,945)
Cash Flows from Financing Activities:
Proceeds from issuance of common stock through various stock plans	93,619	284,776
Shares withheld for employee taxes	(31,122)	(19,880)
Payment of dividends to stockholders	(64,328)	(48,764)
Repurchases of common stock	(197,018)	0
Excess tax benefit from stock-based compensation	22,959	12,879
Principal payments on capital lease obligations	0	(2,866)
Net cash (used in) provided by financing activities	(175,890)	226,145
Net increase in cash and cash equivalents	412,118	867,744
Cash and cash equivalents at beginning of period	2,765,196	1,546,672
Cash and cash equivalents at end of period	$ 3,177,314	$ 2,414,416