Summary Of Significant Accounting Policies (Concentration of Risk Narrative)(Details) (Customer Concentration Risk)	12 Months Ended
	Oct. 26, 2013 customer	Oct. 27, 2012	Oct. 29, 2011
Accounts Receivable
Concentration Risk
Number Of Customers Included In Concentration Disclosures	4	3
Concentration Risk, Percentage	52.00%	38.00%
Accounts Receivable | Major Customer One
Concentration Risk
Concentration Risk, Percentage	18.00%	16.00%
Accounts Receivable | Major Customer Two
Concentration Risk
Concentration Risk, Percentage	12.00%	12.00%
Accounts Receivable | Major Customer Three
Concentration Risk
Concentration Risk, Percentage	11.00%	10.00%
Accounts Receivable | Major Customer Four
Concentration Risk
Concentration Risk, Percentage	11.00%
Sales Revenue
Concentration Risk
Number Of Customers Included In Concentration Disclosures	3
Concentration Risk, Percentage	46.00%	47.00%	43.00%
Sales Revenue | EMC Corporation
Concentration Risk
Concentration Risk, Percentage	18.00%	16.00%	15.00%
Sales Revenue | Hewlett Packard Corporation
Concentration Risk
Concentration Risk, Percentage	12.00%	13.00%	13.00%
Sales Revenue | International Business Machines Corporation
Concentration Risk
Concentration Risk, Percentage	16.00%	18.00%	15.00%