Special Charges - Textual (Details) (USD $)	3 Months Ended								12 Months Ended										36 Months Ended	12 Months Ended												24 Months Ended
	Nov. 03, 2012	Aug. 04, 2012	May 05, 2012	Feb. 04, 2012	Oct. 29, 2011	Jul. 30, 2011	Apr. 30, 2011	Feb. 04, 2011	Nov. 03, 2012	Oct. 29, 2011	Oct. 30, 2010	Oct. 31, 2009	Nov. 01, 2008	Nov. 03, 2012 Reduction of Operating Costs [Member]	Oct. 29, 2011 Reduction of Operating Costs [Member]	Oct. 30, 2010 Reduction of Operating Costs [Member]	Oct. 31, 2009 Reduction of Operating Costs [Member]	Nov. 01, 2008 Reduction of Operating Costs [Member]	Oct. 30, 2010 Reduction of Operating Costs 2008-2010 [Member] Person	Oct. 29, 2011 Reduction of Operating Costs 2011 [Member] Person	Nov. 03, 2012 Reduction of Operating Costs 2012 [Member] Person	Nov. 03, 2012 Closure of Wafer Fabrication Facility in Sunnyvale [Member]	Oct. 29, 2011 Closure of Wafer Fabrication Facility in Sunnyvale [Member]	Oct. 30, 2010 Closure of Wafer Fabrication Facility in Sunnyvale [Member]	Oct. 31, 2009 Closure of Wafer Fabrication Facility in Sunnyvale [Member]	Nov. 01, 2008 Closure of Wafer Fabrication Facility in Sunnyvale [Member]	Nov. 03, 2012 Closure of a Wafer Fabrication Facility in Cambridge [Member]	Oct. 29, 2011 Closure of a Wafer Fabrication Facility in Cambridge [Member]	Oct. 30, 2010 Closure of a Wafer Fabrication Facility in Cambridge [Member]	Oct. 31, 2009 Closure of a Wafer Fabrication Facility in Cambridge [Member]	Nov. 01, 2008 Closure of a Wafer Fabrication Facility in Cambridge [Member]	Oct. 30, 2010 Closure of a Wafer Fabrication Facility in Cambridge [Member] Person
Special Charges (Textuals) [Abstract]
Charge related to lease obligation costs for facilities ceased using by Company																			$ 2,100,000		$ 200,000			$ 400,000								$ 3,400,000
Special charges	0	5,836,000	0	2,595,000	2,239,000	0	0	0	8,431,000	2,239,000	16,483,000	52,465,000	1,627,000	8,431,000	2,239,000	11,419,000	30,333,000	1,627,000	43,300,000	2,239,000	8,400,000	0	0	375,000	0	0	0	0	4,689,000	22,132,000	0	26,800,000
Charge related to the severance and fringe benefit costs																			39,100,000		7,900,000											7,400,000
Number of manufacturing employees																			245													124
Number of engineering and SMGA (selling, marketing, general and administrative) employees																			470	25
Clean-up and closure costs that were expensed as incurred																			300,000													1,400,000
Number of manufacturing engineering and selling marketing general and adminstrative employees related to action																					95
Write-off of property, plant and equipment no longer used																			800,000		200,000
Contract termination costs																			500,000		100,000
Number of employees still employed who are planned to be separated																					6
Number of selling marketing general and administrative employees related to action																																9
Impairment of intellectual property, related to the Company's decision to abandon efforts to develop a particular expertise in power management																			500,000
Impairment charge of manufacturing assets																																$ 14,600,000