Summary Of Significant Accounting Policies (Concentration of Risk Narrative)(Details) (Customer Concentration Risk)	3 Months Ended
	Jul. 27, 2013 Accounts Receivable customer	Oct. 27, 2012 Accounts Receivable customer	Jul. 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	Jul. 27, 2013 Accounts Receivable Major Customer Four	Jul. 27, 2013 Sales Revenue, Segment customer	Jul. 28, 2012 Sales Revenue, Segment customer	Jul. 27, 2013 Sales Revenue, Segment Major Customer One	Jul. 28, 2012 Sales Revenue, Segment Major Customer One	Jul. 27, 2013 Sales Revenue, Segment Major Customer Two	Jul. 28, 2012 Sales Revenue, Segment Major Customer Two	Jul. 27, 2013 Sales Revenue, Segment Major Customer Three	Jul. 28, 2012 Sales Revenue, Segment Major Customer Three	Jul. 28, 2012 Sales Revenue, Segment Major Customer Four
Concentration Risk
Concentration Risk, Percentage	23.00%	38.00%	12.00%	16.00%	12.00%	10.00%	11.00%	47.00%	55.00%	20.00%	16.00%	15.00%	16.00%	12.00%	13.00%	10.00%
Number Of Customers Included In Concentration Disclosures	2	3						3	4