Special Charges (Details) (USD $)	3 Months Ended		9 Months Ended		3 Months Ended			9 Months Ended	12 Months Ended			36 Months Ended	3 Months Ended	9 Months Ended
	Aug. 03, 2013	Aug. 04, 2012	Aug. 03, 2013	Aug. 04, 2012	Aug. 03, 2013 Reduction of Operating Costs [Member]	May 04, 2013 Reduction of Operating Costs [Member]	Feb. 02, 2013 Reduction of Operating Costs [Member]	Aug. 03, 2013 Reduction of Operating Costs [Member]	Nov. 03, 2012 Reduction of Operating Costs [Member]	Oct. 29, 2011 Reduction of Operating Costs [Member]	Oct. 30, 2010 Reduction of Operating Costs [Member]	Nov. 03, 2012 Reduction of Operating Costs 2008-2010 [Member] Person	Feb. 02, 2013 Reduction of Operating Costs 2011 [Member]	Aug. 03, 2013 Reduction of Operating Costs 2011 [Member] Person
Summary of the Company's special charges, Income Statement
Workforce reductions								$ 14,071,000	$ 7,966,000	$ 2,239,000	$ 10,908,000
Facility closure costs								0	186,000	0	0
Non-cash impairment charge								0	219,000	0	487,000
Other items								0	60,000	0	24,000
Total Charges	0	5,836,000	14,071,000	8,431,000			14,071,000	14,071,000	8,431,000	2,239,000	11,419,000	22,100,000	14,100,000
Summary of the Company's special charges and accruals related to ongoing actions, Balance Sheet
Accrued Restructuring, Beginning Balance					8,494,000	12,824,000	2,993,000	2,993,000
Total Charges	0	5,836,000	14,071,000	8,431,000			14,071,000	14,071,000	8,431,000	2,239,000	11,419,000	22,100,000	14,100,000
Severance payments					(2,577,000)	(4,311,000)	(4,276,000)
Effect of foreign currency on accrual					(2,000)	19,000	(36,000)
Accrued Restructuring, Ending Balance					5,919,000	8,494,000	12,824,000	5,919,000	2,993,000
Special Charges (Textual) [Abstract]
Charge related to lease obligation costs for facilities ceased using by Company												200,000
Write-off of property, plant and equipment no longer used												200,000
Contract termination costs												100,000
Total Charges	0	5,836,000	14,071,000	8,431,000			14,071,000	14,071,000	8,431,000	2,239,000	11,419,000	22,100,000	14,100,000
Charge related to the severance and fringe benefit costs												21,100,000
Number Of Manufacturing Engineering And Selling Marketing General And Administrative Employees Related to Action												269		137
Impairment of intellectual property, related to the Company's decision to abandon efforts to develop a particular expertise in power management												$ 500,000