Summary Of Significant Accounting Policies (Concentration of Risk Narrative)(Details)	Apr. 28, 2012 Accounts Receivable [Member] customer	Oct. 29, 2011 Accounts Receivable [Member] customer	Apr. 28, 2012 Accounts Receivable [Member] Major Customer One [Member]	Oct. 29, 2011 Accounts Receivable [Member] Major Customer One [Member]	Apr. 28, 2012 Accounts Receivable [Member] Major Customer Two [Member]	Oct. 29, 2011 Accounts Receivable [Member] Major Customer Two [Member]	Apr. 28, 2012 Accounts Receivable [Member] Major Customer Three [Member]	Apr. 28, 2012 Sales Revenue, Segment [Member] customer	Apr. 30, 2011 Sales Revenue, Segment [Member] customer	Apr. 28, 2012 Sales Revenue, Segment [Member] Major Customer One [Member]	Apr. 30, 2011 Sales Revenue, Segment [Member] Major Customer One [Member]	Apr. 28, 2012 Sales Revenue, Segment [Member] Major Customer Two [Member]	Apr. 30, 2011 Sales Revenue, Segment [Member] Major Customer Two [Member]	Apr. 28, 2012 Sales Revenue, Segment [Member] Major Customer Three [Member]	Apr. 30, 2011 Sales Revenue, Segment [Member] Major Customer Three [Member]	Apr. 28, 2012 Sales Revenue, Segment [Member] Major Customer Four [Member]	Apr. 30, 2011 Sales Revenue, Segment [Member] Major Customer Four [Member]
Concentration Risk [Line Items]
Number Of Customers Included In Accounts Receivable Concentration Disclosures	3	2
Number Of Customers Included In Revenue Concentration Disclosures								4	4
Concentration Risk, Percentage	43.00%	30.00%	20.00%	16.00%	12.00%	14.00%	11.00%	58.00%	53.00%	20.00%	15.00%	15.00%	14.00%	13.00%	13.00%	10.00%	11.00%