Summary Of Significant Accounting Policies (Details)	Jul. 30, 2011	Oct. 30, 2010	Jul. 31, 2010
Minimum percentage of revenue represented by major customers	10.00%		10.00%
Percentage of total net revenues represented by major customers	43.00%		44.00%
Major Customer One [Member]
Concentration of accounts receivable from major customer	18.00%	17.00%
Percentage of total net revenues represented by major customers	16.00%		17.00%
Major Customer Two [Member]
Concentration of accounts receivable from major customer	12.00%	14.00%
Percentage of total net revenues represented by major customers	15.00%		15.00%
Major Customer Three [Member]
Concentration of accounts receivable from major customer	12.00%	10.00%
Percentage of total net revenues represented by major customers	12.00%		12.00%