Summary of Significant Accounting Policies (Details Textuals) (USD $)	3 Months Ended								12 Months Ended								12 Months Ended		12 Months Ended		12 Months Ended			12 Months Ended					3 Months Ended	12 Months Ended
	Oct. 29, 2011	Jul. 30, 2011	Apr. 30, 2011	Jan. 29, 2011	Oct. 30, 2010	Jul. 31, 2010	May 01, 2010	Jan. 30, 2010	Oct. 29, 2011 Year Segments Person Installment	Oct. 30, 2010	Oct. 31, 2009	Nov. 01, 2008	Oct. 29, 2011 Minimum [Member]	Oct. 29, 2011 Maximum [Member]	Oct. 29, 2011 Forward foreign currency contracts [Member]	Oct. 30, 2010 Forward foreign currency contracts [Member]	Oct. 29, 2011 Swap, Receivable [Member] Installment	Jun. 30, 2009 Swap, Receivable [Member]	Oct. 29, 2011 Swap, Payable [Member] Installment	Jun. 30, 2009 Swap, Payable [Member]	Oct. 29, 2011 5.0% Senior unsecured notes due July 1, 2014 [Member]	Oct. 30, 2010 5.0% Senior unsecured notes due July 1, 2014 [Member]	Jun. 30, 2009 5.0% Senior unsecured notes due July 1, 2014 [Member]	Oct. 29, 2011 3.0% Senior unsecured notes due April 15, 2016 [Member]	Apr. 30, 2011 3.0% Senior unsecured notes due April 15, 2016 [Member]	Oct. 29, 2011 Fair Value, Measurements, Nonrecurring [Member]	Oct. 29, 2011 Deferred compensation plan investments are classified as trading [Member]	Oct. 30, 2010 Deferred compensation plan investments are classified as trading [Member]	Jan. 30, 2010 CPU Voltage Regulation And PC Thermal Monitoring Business [Member]	Oct. 29, 2011 Baseband Chipset Business [Member]	Oct. 30, 2010 Baseband Chipset Business [Member]	Oct. 31, 2009 Baseband Chipset Business [Member]
Document Information [Line Items]
Fiscal year term									P52W	P52W	P52W		P52W	P53W
Derivative [Line Items]
Notional amount of undesignated hedges															$ 41,200,000	$ 42,100,000
Number of installments																	Paid in two installments on the 1st of every January and July, commencing January 1, 2010 through and ending on the maturity date		Payable in four installments on the 1st of every January, April, July and October, commencing on October 1, 2009 and ending on the maturity date
Number of installments																	2		4
Notional amount of fixed rate debt																	375,000,000	375,000,000	375,000,000	375,000,000
Interest rate to be paid on swap																		5.00%
Floating interest rate																			An annual three-month LIBOR plus 2.05%
Interest rate over LIBOR rate									1.25%										2.05%
Interest rate																			2.42%
Notional amount of cash flow hedges															153,700,000	139,900,000
Debt Instrument [Line Items]
Cash and cash equivalents and short-term investments	3,592,500,000								3,592,500,000																		0	0
Maturity date of senior unsecured notes																					Jul. 01, 2014			Apr. 15, 2016
Aggregate principal amount issued for notes																					375,000,000		375,000,000	375,000,000	375,000,000
Interest rate to be paid on long term notes																					5.00%		5.00%	3.00%	3.00%
Fair value of the long-term debt																					413,400,000	416,300,000				392,800,000
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Additional proceeds released from escrow																													1,000,000
Additional proceeds released from escrow, net of tax																													600,000
Proceeds from divestiture of businesses												269,000,000
Additional cash payments related to sale of business																																1,700,000
Cash refund of foreign withholding tax																															62,000,000
Additional pre-tax gain on sale																															300,000
Additional gain on sale, net of tax																															200,000
Additional proceeds the company may receive, currently held in escrow																														10,000,000
Gain on sale of discontinued operations	0	0	0	6,500,000	0	0	0	859,000	6,500,000	859,000																				6,500,000
Summary of Significant Accounting Policies (Textuals) [Abstract]
Other than temporary impairments of short term investments									0	0	0
Depreciation expense from continuing operations of property, plant and equipment									116,873,000	116,083,000	132,493,000
Number of reportable segments									1
Number of operating segments									5
Amortization of intangibles									1,346,000	4,828,000	7,377,000
Contracts period									One year or less
Tax effect in gain recognized in OCI on derivative									539,000	449,000
Tax effect on realized (gain) loss reclassification									1,171,000	458,000	1,609,000
Derivative effectiveness description									No ineffectiveness during fiscal year ended October 29, 2011 or October 30, 2010	No ineffectiveness during fiscal year ended October 29, 2011 or October 30, 2010
Amortized cost of the Company's investments classified as available for sale	2,284,900,000				1,639,100,000				2,284,900,000	1,639,100,000
Derivative contracts in asset position netted against contract in liability position	800,000				800,000				800,000	800,000
Deferred income on shipments to distributors, gross	311,300,000				327,200,000				311,300,000	327,200,000
Deferred income on shipments to distributors, cost of sales	78,100,000				84,400,000				78,100,000	84,400,000
Change in net deferred income on shipments to distributors									9,600,000
Warranty offered by the company for its products									The company generally offers a 12-month warranty for its products
Period of Warranty of Standard Product									12 months
Fair value of investments with unrealized losses	1,899,400,000				731,000,000				1,899,400,000	731,000,000
Advertising expense									$ 4,100,000	$ 3,700,000	$ 5,200,000
Restricted stock units compensation awards vesting period (years)									3
Stock-based compensation awards vesting period (years)									5 years