XML 79 R43.htm IDEA: XBRL DOCUMENT v3.10.0.1
Basis of Presentation and Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($)
$ in Millions
12 Months Ended
Oct. 31, 2018
Oct. 31, 2017
Oct. 29, 2016
Accounting Policies And General Information [Line Items]      
Uninsured cash balances $ 11.7    
Accumulated other comprehensive loss $ (1.4)    
IPO [Member]      
Accounting Policies And General Information [Line Items]      
Assumed dividend rate for stock options issued 0.00%    
Maximum [Member]      
Accounting Policies And General Information [Line Items]      
Expected period to sell the business and other assets 1 year    
Customer Concentration Risk [Member] | Net sales [Member] | Top Five Customers [Member]      
Accounting Policies And General Information [Line Items]      
Concentration risk, percentage 13.00% 15.00% 15.00%