Summary Of Significant Accounting Policies (Concentration of Risk Narrative)(Details) (Customer Concentration Risk)	3 Months Ended
	Jan. 26, 2013 Accounts Receivable customer	Oct. 27, 2012 Accounts Receivable customer	Jan. 26, 2013 Accounts Receivable Major Customer One	Oct. 27, 2012 Accounts Receivable Major Customer One	Jan. 26, 2013 Accounts Receivable Major Customer Two	Oct. 27, 2012 Accounts Receivable Major Customer Two	Jan. 26, 2013 Accounts Receivable Major Customer Three	Oct. 27, 2012 Accounts Receivable Major Customer Three	Jan. 26, 2013 Sales Revenue, Segment customer	Jan. 28, 2012 Sales Revenue, Segment customer	Jan. 26, 2013 Sales Revenue, Segment Major Customer One	Jan. 28, 2012 Sales Revenue, Segment Major Customer One	Jan. 26, 2013 Sales Revenue, Segment Major Customer Two	Jan. 28, 2012 Sales Revenue, Segment Major Customer Two	Jan. 26, 2013 Sales Revenue, Segment Major Customer Three	Jan. 28, 2012 Sales Revenue, Segment Major Customer Three
Concentration Risk
Concentration Risk, Percentage	37.00%	38.00%	14.00%	16.00%	12.00%	12.00%	11.00%	10.00%	46.00%	48.00%	18.00%	20.00%	18.00%	15.00%	10.00%	13.00%
Number Of Customers Included In Concentration Disclosures	3	3							3	3