XML 115 R79.htm IDEA: XBRL DOCUMENT v3.10.0.1
Income Taxes - Reconciliation of Unrecognized Tax Benefits (Detail) - USD ($)
$ in Millions
12 Months Ended
Oct. 31, 2018
Oct. 31, 2017
Oct. 29, 2016
Income Tax Disclosure [Abstract]      
Balance at beginning of year $ 2.6 $ 2.7 $ 4.2
Additions (reductions) for tax positions in prior year 0.3 0.1 (1.5)
Additions for tax positions in current year 0.3 0.1 0.2
Cash settlements with taxing authorities (0.2)    
Statute of limitations (0.9) (0.3) (0.2)
Balance at end of year $ 2.1 $ 2.6 $ 2.7