Summary of Significant Accounting Policies - Additional Information (Detail)	12 Months Ended
	Oct. 28, 2012	Oct. 30, 2011
Property, Plant and Equipment [Line Items]
Useful lives of finite-lived customer relationships	1 year 8 months 12 days	2 years 7 months 6 days
Recognized income tax positions	Greater than 50%
Minimum [Member]
Property, Plant and Equipment [Line Items]
Useful lives of finite-lived customer relationships	5 years
Maximum [Member]
Property, Plant and Equipment [Line Items]
Useful lives of finite-lived customer relationships	8 years