Special Charges (Details) $ in Thousands	3 Months Ended				9 Months Ended		12 Months Ended
	Jul. 30, 2016 USD ($)	Apr. 30, 2016 USD ($)	Jan. 30, 2016 USD ($)	Aug. 01, 2015 USD ($)	Jul. 30, 2016 USD ($) employee	Aug. 01, 2015 USD ($)	Nov. 01, 2014 USD ($) employee
Summary of the Company's special charges, Income Statement
Workforce reductions		$ 13,684			$ 13,684		$ 37,900
Facility closure costs							500
Non-cash impairment charge							400
Restructuring Reserve, Translation and Other Adjustment							(1,400)
Total Charges	$ 0			$ 0	13,684	$ 0	37,300
Summary of the Company's special charges and accruals related to ongoing actions, Balance Sheet
Accrued Restructuring, Beginning Balance	15,409	3,894	$ 5,877		5,877
Total Charges	0			0	13,684	0	37,300
Severance payments	(1,541)	(2,177)	(1,984)
Effect of foreign currency on accrual	6	(8)	1
Accrued Restructuring, Ending Balance	13,862	$ 15,409	$ 3,894		13,862
Special Charges (Textual) [Abstract]
Total Charges	$ 0			$ 0	$ 13,684	$ 0	$ 37,300
Number Of Employees Still Employed Who Are Planned To Be Separated | employee					90
Reduction of Operating Costs 2014 [Member]
Special Charges (Textual) [Abstract]
Number Of Manufacturing Engineering And Selling Marketing General And Administrative Employees Related to Action | employee							341
Reduction of Operating Costs 2016 [Domain]
Special Charges (Textual) [Abstract]
Number Of Manufacturing Engineering And Selling Marketing General And Administrative Employees Related to Action | employee					123