Special Charges (Details) (USD $)	3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended	12 Months Ended			6 Months Ended	12 Months Ended	3 Months Ended	6 Months Ended
	May 03, 2014	May 04, 2013	May 03, 2014	May 04, 2013	May 03, 2014 Reduction of Operating Costs [Member]	Feb. 01, 2014 Reduction of Operating Costs [Member]	May 03, 2014 Reduction of Operating Costs [Member]	Nov. 02, 2013 Reduction of Operating Costs [Member]	Nov. 03, 2012 Reduction of Operating Costs [Member]	Nov. 03, 2012 Reduction of Operating Costs 2012 [Member] employee	May 03, 2014 Reduction of Operating Costs 2013 [Member] employee	Nov. 02, 2013 Reduction of Operating Costs 2013 [Member] employee	Feb. 01, 2014 Reduction of Operating Costs 2014 [Member] [Member] [Member] employee	May 03, 2014 Reduction of Operating Costs 2014 [Member] [Member] [Member] employee
Summary of the Company's special charges, Income Statement
Workforce reductions								$ 29,848,000	$ 7,966,000
Facility closure costs							0	0	186,000
Non-cash impairment charge							0	0	219,000
Other items							0	0	60,000
Total Charges	0	0	2,685,000	14,071,000		2,685,000	2,685,000	29,848,000	8,431,000	8,431,000		29,848,000	2,685,000
Summary of the Company's special charges and accruals related to ongoing actions, Balance Sheet
Accrued Restructuring, Beginning Balance					18,465,000	19,955,000	19,955,000
Total Charges	0	0	2,685,000	14,071,000		2,685,000	2,685,000	29,848,000	8,431,000	8,431,000		29,848,000	2,685,000
Severance payments					(6,469,000)	(4,171,000)
Effect of foreign currency on accrual					(36,000)	4,000
Accrued Restructuring, Ending Balance					12,032,000	18,465,000	12,032,000	19,955,000
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	0	2,685,000	14,071,000		2,685,000	2,685,000	29,848,000	8,431,000	8,431,000		29,848,000	2,685,000
Charge related to the severance and fringe benefit costs										$ 8,000,000
Number Of Manufacturing Engineering And Selling Marketing General And Administrative Employees Related to Action										95		235	30
Number Of Employees Still Employed Who Are Planned To Be Separated											19			4