Summary Of Significant Accounting Policies (Concentration of Risk Narrative)(Details)	9 Months Ended		12 Months Ended
	Jul. 30, 2016 customer	Aug. 01, 2015 customer	Oct. 31, 2015 customer
Concentration Risk
Number of Financial Institutions	6
Customer Concentration Risk | Accounts Receivable
Concentration Risk
Concentration Risk, Percentage	28.00%
Number Of Customers Included In Concentration Disclosures	2		1
Customer Concentration Risk | Accounts Receivable | Major Customer One
Concentration Risk
Concentration Risk, Percentage	18.00%		17.00%
Customer Concentration Risk | Accounts Receivable | Major Customer Two
Concentration Risk
Concentration Risk, Percentage	10.00%
Customer Concentration Risk | Sales Revenue, Segment
Concentration Risk
Concentration Risk, Percentage	24.00%	43.00%
Number Of Customers Included In Concentration Disclosures	2	3
Customer Concentration Risk | Sales Revenue, Segment | Major Customer One
Concentration Risk
Concentration Risk, Percentage	12.00%	16.00%
Customer Concentration Risk | Sales Revenue, Segment | Major Customer Two
Concentration Risk
Concentration Risk, Percentage	12.00%	15.00%
Customer Concentration Risk | Sales Revenue, Segment | Major Customer Three
Concentration Risk
Concentration Risk, Percentage		12.00%