XML 109 R73.htm IDEA: XBRL DOCUMENT v3.10.0.1
Income Taxes - Income Before (Benefit) Provision for Income Taxes (Detail) - USD ($)
$ in Millions
12 Months Ended
Oct. 31, 2018
Oct. 31, 2017
Oct. 29, 2016
Income Tax Disclosure [Abstract]      
Domestic $ 5.2 $ 54.7 $ 43.2
Foreign (3.0) (4.6)  
Income before (benefit) provision for income taxes $ 2.2 $ 50.1 $ 43.2