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Accounting Policies - Change in the Allowance for Uncollectible Accounts (Detail) - USD ($)
$ in Millions
12 Months Ended
Oct. 31, 2018
Oct. 31, 2017
Oct. 29, 2016
Accounting Policies [Abstract]      
Beginning balance $ 1.1 $ 1.6 $ 0.8
Net recorded expense 0.6 0.8 1.0
Write-offs, net of recoveries/payments (0.4) (1.3) (0.2)
Ending balance $ 1.3 $ 1.1 $ 1.6