Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 29, 2012	Jul. 01, 2011
Cash Flows from Operating Activities:
Net income	$ 278,513	$ 438,696
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	16,749	15,214
Stock-based compensation	46,200	37,432
Deferred income tax (benefit) expense	(12,090)	4,897
Tax effect of employee stock plans	16,500	17,048
Excess tax benefit from employee stock plans	(16,434)	(14,589)
Changes in assets and liabilities:
Accounts receivable, net	(192,994)	(19,896)
Inventories	(23,811)	23,212
Other assets	6,019	43,638
Accounts payable and other liabilities	(19,066)	(53,532)
Deferred income and allowances on sales to distributors	94,299	(47,923)
Income taxes payable	(16,658)	12,921
Deferred compensation plan obligations	(1,925)	(754)
Net cash provided by operating activities	175,302	456,364
Cash Flows from Investing Activities:
Purchases of property and equipment	(31,312)	(9,796)
Proceeds from sales of deferred compensation plan securities, net	1,925	754
Purchases of available-for-sale securities	(576,568)	0
Proceeds from sale and maturity of available-for-sale securities	92,643	0
Net cash used in investing activities	(513,312)	(9,042)
Cash Flows from Financing Activities:
Proceeds from issuance of common stock through various stock plans	26,086	87,122
Shares withheld for employee taxes	(6,562)	(8,178)
Payment of dividends to stockholders	(51,558)	(38,681)
Proceeds from issuance of long-term debt	500,000	0
Repayment of credit facility	(500,000)	0
Long-term debt and credit facility issuance costs	(5,244)	0
Repurchases of common stock	(129,016)	0
Excess tax benefit from stock-based compensation	16,434	14,589
Net cash (used in) provided by financing activities	(149,860)	54,852
Net (decrease) increase in cash and cash equivalents	(487,870)	502,174
Cash and cash equivalents at beginning of period	3,371,933	2,765,196
Cash and cash equivalents at end of period	$ 2,884,063	$ 3,267,370