Property, Equipment and Software - Additional Information (Detail) (USD $)	1 Months Ended	3 Months Ended								12 Months Ended
	Jul. 31, 2012	Oct. 28, 2012	Jul. 29, 2012	Apr. 29, 2012	Jan. 29, 2012	Oct. 30, 2011	Jul. 31, 2011	May 01, 2011	Jan. 30, 2011	Oct. 28, 2012	Oct. 30, 2011	Oct. 31, 2010
Property Plant And Equipment Excluding Depreciation And Amortization Charges [Abstract]
Depreciation and amortization expenses		$ 4,062,000	$ 4,022,000	$ 4,075,000	$ 4,354,000	$ 4,757,000	$ 4,756,000	$ 5,004,000	$ 5,218,000	$ 16,513,000	$ 19,735,000	$ 23,693,000
Proceeds from sale of building	5,100,000
Gain on sale of building	$ 4,400,000									$ 4,418,000