Fair Value of Financial Instruments - Additional Information (Detail) - USD ($)	12 Months Ended
	Nov. 01, 2015	Nov. 02, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Transfers between levels	$ 0	$ 0
Short-term investments	4,799,000	5,543,000
Short-term investments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available for sale securities	100,000	$ 100,000
NewNet Communication Technologies, LLC | Notes Receivable
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Short-term investments	$ 10,000,000
Interest rate	5.00%
Amortization period	4 years
Carrying Amount | NewNet Communication Technologies, LLC | Notes Receivable
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Short-term investments	$ 8,400,000