Summary Of Significant Accounting Policies (Concentration of Risk Narrative)(Details)	3 Months Ended		12 Months Ended
	Jan. 30, 2016 customer	Jan. 31, 2015 customer	Oct. 31, 2015 customer
Concentration Risk
Number of Financial Institutions	5
Customer Concentration Risk | Accounts Receivable
Concentration Risk
Number Of Customers Included In Concentration Disclosures	1		1
Customer Concentration Risk | Accounts Receivable | Major Customer One
Concentration Risk
Concentration Risk, Percentage	10.00%		17.00%
Customer Concentration Risk | Sales Revenue, Segment
Concentration Risk
Concentration Risk, Percentage	34.00%	44.00%
Number Of Customers Included In Concentration Disclosures	2	3
Customer Concentration Risk | Sales Revenue, Segment | Major Customer One
Concentration Risk
Concentration Risk, Percentage	20.00%	20.00%
Customer Concentration Risk | Sales Revenue, Segment | Major Customer Two
Concentration Risk
Concentration Risk, Percentage	14.00%	14.00%
Customer Concentration Risk | Sales Revenue, Segment | Major Customer Three
Concentration Risk
Concentration Risk, Percentage		10.00%