XML 67 R55.htm IDEA: XBRL DOCUMENT v3.8.0.1
Employee Benefit Plan - Additional Information (Detail) - USD ($)
12 Months Ended
Nov. 04, 2017
Nov. 05, 2016
Defined Benefit Plan Disclosure [Line Items]    
Maximum employee compensation 6.00%  
Contribution expense charged to operations $ 19,000 $ 20,000
Maximum Range [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Percentage of discretionary matching contribution 20.00%