Summary Of Significant Accounting Policies (Concentration of Risk Narrative)(Details) (Customer Concentration Risk)	3 Months Ended
	Apr. 27, 2013 Accounts Receivable customer	Oct. 27, 2012 Accounts Receivable customer	Apr. 27, 2013 Accounts Receivable Major Customer One	Oct. 27, 2012 Accounts Receivable Major Customer One	Oct. 27, 2012 Accounts Receivable Major Customer Two	Oct. 27, 2012 Accounts Receivable Major Customer Three	Apr. 27, 2013 Accounts Receivable Major Customer Four	Apr. 27, 2013 Sales Revenue, Segment customer	Apr. 28, 2012 Sales Revenue, Segment customer	Apr. 27, 2013 Sales Revenue, Segment Major Customer One	Apr. 28, 2012 Sales Revenue, Segment Major Customer One	Apr. 27, 2013 Sales Revenue, Segment Major Customer Two	Apr. 28, 2012 Sales Revenue, Segment Major Customer Two	Apr. 27, 2013 Sales Revenue, Segment Major Customer Three	Apr. 28, 2012 Sales Revenue, Segment Major Customer Three	Apr. 28, 2012 Sales Revenue, Segment Major Customer Four
Concentration Risk
Concentration Risk, Percentage	28.00%	38.00%	17.00%	16.00%	12.00%	10.00%	11.00%	45.00%	58.00%	16.00%	20.00%	18.00%	15.00%	11.00%	13.00%	10.00%
Number Of Customers Included In Concentration Disclosures	2	3						3	4